ICD-10-CM (2010)/CHAPTER 11

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ICD-10-CM TABULAR LIST of DISEASES and INJURIES  (2010) 
CHAPTER 11 - Diseases of the digestive system (K00-K93)

Contents

Diseases of the digestive system (K00-K93)[edit]

Excludes2: certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O99)
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E90)
injury, poisoning and certain other consequences of external causes (S00-T98)
neoplasms (C00-D48)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
This chapter contains the following blocks:
K00-K14 Diseases of oral cavity and salivary glands
K20-K31 Diseases of esophagus, stomach and duodenum
K35-K38 Diseases of appendix
K40-K46 Hernia
K50-K52 Noninfective enteritis and colitis
K55-K63 Other diseases of intestines
K65-K68 Diseases of peritoneum and retroperitoneum
K70-K77 Diseases of liver
K80-K87 Disorders of gallbladder, biliary tract and pancreas
K90-K94 Other diseases of the digestive system

Diseases of oral cavity and salivary glands (K00-K14)[edit]

K00 Disorders of tooth development and eruption[edit]

Excludes2: embedded and impacted teeth (K01.-)
K00.0 Anodontia
Hypodontia
Oligodontia
Excludes1: acquired absence of teeth (K08.1-)
K00.1 Supernumerary teeth
Distomolar
Fourth molar
Mesiodens
Paramolar
Supplementary teeth
Excludes2: supernumerary roots (K00.2)
K00.2 Abnormalities of size and form of teeth
Concrescence of teeth
Fusion of teeth
Gemination of teeth
Dens evaginatus
Dens in dente
Dens invaginatus
Enamel pearls
Macrodontia
Microdontia
Peg-shaped [conical] teeth
Supernumerary roots
Taurodontism
Tuberculum paramolare
Excludes1: abnormalities of teeth due to congenital syphilis (A50.5)
tuberculum Carabelli, which is regarded as a normal variation and should not be coded
K00.3 Mottled teeth
Dental fluorosis
Mottling of enamel
Nonfluoride enamel opacities
Excludes2: deposits [accretions] on teeth (K03.6)
K00.4 Disturbances in tooth formation
Aplasia and hypoplasia of cementum
Dilaceration of tooth
Enamel hypoplasia (neonatal) (postnatal) (prenatal)
Regional odontodysplasia
Turner's tooth
Excludes1: Hutchinson's teeth and mulberry molars in congenital syphilis (A50.5)
Excludes2: mottled teeth (K00.3)
K00.5 Hereditary disturbances in tooth structure, not elsewhere classified
Amelogenesis imperfecta
Dentinogenesis imperfecta
Odontogenesis imperfecta
Dentinal dysplasia
Shell teeth
K00.6 Disturbances in tooth eruption
Dentia praecox
Natal tooth
Neonatal tooth
Premature eruption of tooth
Premature shedding of primary [deciduous] tooth
Prenatal teeth
Retained [persistent] primary tooth
Excludes2: embedded and impacted teeth (K01.-)
K00.7 Teething syndrome
K00.8 Other disorders of tooth development
Color changes during tooth formation
Intrinsic staining of teeth NOS
Excludes2: posteruptive color changes (K03.7)
K00.9 Disorder of tooth development, unspecified
Disorder of odontogenesis NOS

K01 Embedded and impacted teeth[edit]

Excludes1: abnormal position of fully erupted teeth (M26.3-)
K01.0 Embedded teeth
K01.1 Impacted teeth

K02 Dental caries[edit]

Includes: dental cavities, tooth decay
K02.3 Arrested dental caries
Arrested coronal and root caries
K02.5 Dental caries on pit and fissure surface
Dental caries on chewing surface of tooth
K02.51 Dental caries on pit and fissure surface limited to enamel
White spot lesions [initial caries] on pit and fissure surface of tooth
K02.52 Dental caries on pit and fissure surface penetrating into dentin
K02.53 Dental caries on pit and fissure surface penetrating into pulp
K02.6 Dental caries on smooth surface
K02.61 Dental caries on smooth surface limited to enamel
White spot lesions [initial caries] on smooth surface of tooth
K02.62 Dental caries on smooth surface penetrating into dentin
K02.63 Dental caries on smooth surface penetrating into pulp
K02.7 Dental root caries
K02.9 Dental caries, unspecified

K03 Other diseases of hard tissues of teeth[edit]

Excludes2: bruxism (F45.8)
dental caries (K02.-)
teeth-grinding NOS (F45.8)
K03.0 Excessive attrition of teeth
Approximal wear of teeth
Occlusal wear of teeth
K03.1 Abrasion of teeth
Dentifrice abrasion of teeth
Habitual abrasion of teeth
Occupational abrasion of teeth
Ritual abrasion of teeth
Traditional abrasion of teeth
Wedge defect NOS
K03.2 Erosion of teeth
Erosion of teeth due to diet
Erosion of teeth due to drugs and medicaments
Erosion of teeth due to persistent vomiting
Erosion of teeth NOS
Idiopathic erosion of teeth
Occupational erosion of teeth
K03.3 Pathological resorption of teeth
Internal granuloma of pulp
Resorption of teeth (external)
K03.4 Hypercementosis
Cementation hyperplasia
K03.5 Ankylosis of teeth
K03.6 Deposits [accretions] on teeth
Betel deposits [accretions] on teeth
Black deposits [accretions] on teeth
Extrinsic staining of teeth NOS
Green deposits [accretions] on teeth
Materia alba deposits [accretions] on teeth
Orange deposits [accretions] on teeth
Staining of teeth NOS
Subgingival dental calculus
Supragingival dental calculus
Tobacco deposits [accretions] on teeth
K03.7 Posteruptive color changes of dental hard tissues
Excludes2: deposits [accretions] on teeth (K03.6)
K03.8 Other specified diseases of hard tissues of teeth
K03.81 Cracked tooth
Excludes1: asymptomatic craze lines in enamel - omit code
broken or fractured tooth due to trauma (S02.5)
K03.89 Other specified diseases of hard tissues of teeth
K03.9 Disease of hard tissues of teeth, unspecified

K04 Diseases of pulp and periapical tissues[edit]

K04.0 Pulpitis
Acute pulpitis
Chronic (hyperplastic) (ulcerative) pulpitis
Irreversible pulpitis
Reversible pulpitis
K04.1 Necrosis of pulp
Pulpal gangrene
K04.2 Pulp degeneration
Denticles
Pulpal calcifications
Pulpal stones
K04.3 Abnormal hard tissue formation in pulp
Secondary or irregular dentine
K04.4 Acute apical periodontitis of pulpal origin
Acute apical periodontitis NOS
Excludes1: acute periodontitis (K05.2-)
K04.5 Chronic apical periodontitis
Apical or periapical granuloma
Apical periodontitis NOS
Excludes1: chronic periodontitis (K05.3-)
K04.6 Periapical abscess with sinus
Dental abscess with sinus
Dentoalveolar abscess with sinus
K04.7 Periapical abscess without sinus
Dental abscess without sinus
Dentoalveolar abscess without sinus
Periapical abscess without sinus
K04.8 Radicular cyst
Apical (periodontal) cyst
Periapical cyst
Residual radicular cyst
Excludes2: lateral periodontal cyst (K09.0)
K04.9 Other and unspecified diseases of pulp and periapical tissues
K04.90 Unspecified diseases of pulp and periapical tissues
K04.99 Other diseases of pulp and periapical tissues

K05 Gingivitis and periodontal diseases[edit]

Use additional code to identify:
alcohol abuse and dependence (F10.-)
exposure to environmental tobacco smoke (Z77.22)
exposure to tobacco smoke in the perinatal period (P96.81)
history of tobacco use (Z87.891)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)
K05.0 Acute gingivitis
Excludes1: acute necrotizing ulcerative gingivitis (A69.1)
herpesviral [herpes simplex] gingivostomatitis (B00.2)
K05.00 Acute gingivitis, plaque induced
Acute gingivitis NOS
K05.01 Acute gingivitis, non-plaque induced
K05.1 Chronic gingivitis
Desquamative gingivitis (chronic)
Gingivitis (chronic) NOS
Hyperplastic gingivitis (chronic)
Simple marginal gingivitis (chronic)
Ulcerative gingivitis (chronic)
K05.10 Chronic gingivitis, plaque induced
Chronic gingivitis NOS
Gingivitis NOS
K05.11 Chronic gingivitis, non-plaque induced
K05.2 Aggressive periodontitis
Acute pericoronitis
Excludes1: acute apical periodontitis (K04.4)
periapical abscess (K04.7)
periapical abscess with sinus (K04.6)
K05.20 Aggressive periodontitis, unspecified
K05.21 Aggressive periodontitis, localized
Periodontal abscess
K05.22 Aggressive periodontitis, generalized
K05.3 Chronic periodontitis
Chronic pericoronitis
Complex periodontitis
Periodontitis NOS
Simplex periodontitis
Excludes1: chronic apical periodontitis (K04.5)
K05.30 Chronic periodontitis, unspecified
K05.31 Chronic periodontitis, localized
K05.32 Chronic periodontitis, generalized
K05.4 Periodontosis
Juvenile periodontosis
K05.5 Other periodontal diseases
Excludes2: leukoplakia of gingiva (K13.21)
K05.6 Periodontal disease, unspecified

K06 Other disorders of gingiva and edentulous alveolar ridge[edit]

Excludes2: acute gingivitis (K05.0)
atrophy of edentulous alveolar ridge (K08.2)
chronic gingivitis (K05.1)
gingivitis NOS (K05.1)
K06.0 Gingival recession
Gingival recession (generalized) (localized) (postinfective) (postprocedural)
K06.1 Gingival enlargement
Gingival fibromatosis
K06.2 Gingival and edentulous alveolar ridge lesions associated with trauma
Irritative hyperplasia of edentulous ridge [denture hyperplasia]
Use additional code (Chapter 20) to identify external cause or denture status (Z97.2)
K06.8 Other specified disorders of gingiva and edentulous alveolar ridge
Fibrous epulis
Flabby alveolar ridge
Giant cell epulis
Peripheral giant cell granuloma of gingiva
Pyogenic granuloma of gingiva
Excludes2: gingival cyst (K09.0)
K06.9 Disorder of gingiva and edentulous alveolar ridge, unspecified

K08 Other disorders of teeth and supporting structures[edit]

Excludes2: dentofacial anomalies [including malocclusion] (M26.-)
disorders of jaw (M27.-)
K08.0 Exfoliation of teeth due to systemic causes
Code also underlying systemic condition
K08.1 Complete loss of teeth
Acquired loss of teeth, complete
Excludes1: congenital absence of teeth (K00.0)
exfoliation of teeth due to systemic causes (K08.0)
partial loss of teeth (K08.4-)
K08.10 Complete loss of teeth, unspecified cause
K08.101 Complete loss of teeth, unspecified cause, class I
K08.102 Complete loss of teeth, unspecified cause, class II
K08.103 Complete loss of teeth, unspecified cause, class III
K08.104 Complete loss of teeth, unspecified cause, class IV
K08.109 Complete loss of teeth, unspecified cause, unspecified class
Edentulism NOS
K08.11 Complete loss of teeth due to trauma
K08.111 Complete loss of teeth due to trauma, class I
K08.112 Complete loss of teeth due to trauma, class II
K08.113 Complete loss of teeth due to trauma, class III
K08.114 Complete loss of teeth due to trauma, class IV
K08.119 Complete loss of teeth due to trauma, unspecified class
K08.12 Complete loss of teeth due to periodontal diseases
K08.121 Complete loss of teeth due to periodontal diseases, class I
K08.122 Complete loss of teeth due to periodontal diseases, class II
K08.123 Complete loss of teeth due to periodontal diseases, class III
K08.124 Complete loss of teeth due to periodontal diseases, class IV
K08.129 Complete loss of teeth due to periodontal diseases, unspecified class
K08.13 Complete loss of teeth due to caries
K08.131 Complete loss of teeth due to caries, class I
K08.132 Complete loss of teeth due to caries, class II
K08.133 Complete loss of teeth due to caries, class III
K08.134 Complete loss of teeth due to caries, class IV
K08.139 Complete loss of teeth due to caries, unspecified class
K08.19 Complete loss of teeth due to other specified cause
K08.191 Complete loss of teeth due to other specified cause, class I
K08.192 Complete loss of teeth due to other specified cause, class II
K08.193 Complete loss of teeth due to other specified cause, class III
K08.194 Complete loss of teeth due to other specified cause, class IV
K08.199 Complete loss of teeth due to other specified cause, unspecified class
K08.2 Atrophy of edentulous alveolar ridge
K08.20 Unspecified atrophy of edentulous alveolar ridge
Atrophy of the mandible NOS
Atrophy of the maxilla NOS
K08.21 Minimal atrophy of the mandible
Minimal atrophy of the edentulous mandible
K08.22 Moderate atrophy of the mandible
Moderate atrophy of the edentulous mandible
K08.23 Severe atrophy of the mandible
Severe atrophy of the edentulous mandible
K08.24 Minimal atrophy of maxilla
Minimal atrophy of the edentulous maxilla
K08.25 Moderate atrophy of the maxilla
Moderate atrophy of the edentulous maxilla
K08.26 Severe atrophy of the maxilla
Severe atrophy of the edentulous maxilla
K08.3 Retained dental root
K08.4 Partial loss of teeth
Acquired loss of teeth, partial
Excludes1: complete loss of teeth (K08.1-)
congenital absence of teeth (K00.0)
Excludes2: exfoliation of teeth due to systemic causes (K08.0)
K08.40 Partial loss of teeth, unspecified cause
K08.401 Partial loss of teeth, unspecified cause, class I
K08.402 Partial loss of teeth, unspecified cause, class II
K08.403 Partial loss of teeth, unspecified cause, class III
K08.404 Partial loss of teeth, unspecified cause, class IV
K08.409 Partial loss of teeth, unspecified cause, unspecified class
Tooth extraction status NOS
K08.41 Partial loss of teeth due to trauma
K08.411 Partial loss of teeth due to trauma, class I
K08.412 Partial loss of teeth due to trauma, class II
K08.413 Partial loss of teeth due to trauma, class III
K08.414 Partial loss of teeth due to trauma, class IV
K08.419 Partial loss of teeth due to trauma, unspecified class
K08.42 Partial loss of teeth due to periodontal diseases
K08.421 Partial loss of teeth due to periodontal diseases, class I
K08.422 Partial loss of teeth due to periodontal diseases, class II
K08.423 Partial loss of teeth due to periodontal diseases, class III
K08.424 Partial loss of teeth due to periodontal diseases, class IV
K08.429 Partial loss of teeth due to periodontal diseases, unspecified class
K08.43 Partial loss of teeth due to caries
K08.431 Partial loss of teeth due to caries, class I
K08.432 Partial loss of teeth due to caries, class II
K08.433 Partial loss of teeth due to caries, class III
K08.434 Partial loss of teeth due to caries, class IV
K08.439 Partial loss of teeth due to caries, unspecified class
K08.49 Partial loss of teeth due to other specified cause
K08.491 Partial loss of teeth due to other specified cause, class I
K08.492 Partial loss of teeth due to other specified cause, class II
K08.493 Partial loss of teeth due to other specified cause, class III
K08.494 Partial loss of teeth due to other specified cause, class IV
K08.499 Partial loss of teeth due to other specified cause, unspecified class
K08.5 Unsatisfactory restoration of tooth
Defective bridge, crown, filling
Defective dental restoration
Excludes1: dental restoration status (Z98.811)
Excludes2: endosseous dental implant failure (M27.6-)
unsatisfactory endodontic treatment (M27.5-)
K08.50 Unsatisfactory restoration of tooth, unspecified
Defective dental restoration NOS
K08.51 Open restoration margins of tooth
Dental restoration failure of marginal integrity
Open margin on tooth restoration
Poor gingival margin to tooth restoration
K08.52 Unrepairable overhanging of dental restorative materials
Overhanging of tooth restoration
K08.53 Fractured dental restorative material
Excludes1: cracked tooth (K03.81)
traumatic fracture of tooth (S02.5)
K08.530 Fractured dental restorative material without loss of material
K08.531 Fractured dental restorative material with loss of material
K08.539 Fractured dental restorative material, unspecified
K08.54 Contour of existing restoration of tooth biologically incompatible with oral health
Dental restoration failure of periodontal anatomical integrity
Unacceptable contours of existing restoration of tooth
Unacceptable morphology of existing restoration of tooth
K08.55 Allergy to existing dental restorative material
Use additional code to identify the specific type of allergy
K08.56 Poor aesthetic of existing restoration of tooth
Dental restoration aesthetically inadequate or displeasing
K08.59 Other unsatisfactory restoration of tooth
Other defective dental restoration
K08.8 Other specified disorders of teeth and supporting structures
Enlargement of alveolar ridge NOS
Irregular alveolar process
Toothache NOS
K08.9 Disorder of teeth and supporting structures, unspecified

K09 Cysts of oral region, not elsewhere classified[edit]

Includes: lesions showing histological features both of aneurysmal cyst and of another fibro-osseous lesion
Excludes2: cysts of jaw (M27.0-, M27.4-)
radicular cyst (K04.8)
K09.0 Developmental odontogenic cysts
Excludes2: keratocysts D16.4, D16.5
odontogenic keratocystic tumors D16.4, D16.5
Dentigerous cyst
Eruption cyst
Follicular cyst
Gingival cyst
Lateral periodontal cyst
Primordial cyst
K09.1 Developmental (nonodontogenic) cysts of oral region
Cyst (of) incisive canal
Cyst (of) palatine of papilla
Globulomaxillary cyst
Median palatal cyst
Nasopalatine cyst
K09.8 Other cysts of oral region, not elsewhere classified
Dermoid cyst
Epidermoid cyst
Lymphoepithelial cyst
Epstein's pearl
Nasoalveolar cyst
Nasolabial cyst
K09.9 Cyst of oral region, unspecified

K11 Diseases of salivary glands[edit]

Use additional code to identify:
alcohol abuse and dependence (F10.-)
exposure to environmental tobacco smoke (Z77.22)
exposure to tobacco smoke in the perinatal period (P96.81)
history of tobacco use (Z87.891)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)
K11.0 Atrophy of salivary gland
K11.1 Hypertrophy of salivary gland
K11.2 Sialoadenitis
Parotitis
Excludes1: epidemic parotitis (B26.-)
mumps (B26.-)
uveoparotid fever [Heerfordt] (D86.89)
K11.20 Sialoadentitis, unspecified
K11.21 Acute sialoadenitis
Excludes1: acute recurrent sialoadenitis (K11.22)
K11.22 Acute recurrent sialoadenitis
K11.23 Chronic sialoadenitis
K11.3 Abscess of salivary gland
K11.4 Fistula of salivary gland
Excludes1: congenital fistula of salivary gland (Q38.4)
K11.5 Sialolithiasis
Calculus of salivary gland or duct
Stone of salivary gland or duct
K11.6 Mucocele of salivary gland
Mucous extravasation cyst of salivary gland
Mucous retention cyst of salivary gland
Ranula
K11.7 Disturbances of salivary secretion
Hypoptyalism
Ptyalism
Xerostomia
Excludes2: dry mouth NOS (R68.2)
K11.8 Other diseases of salivary glands
Benign lymphoepithelial lesion of salivary gland
Mikulicz' disease
Necrotizing sialometaplasia
Sialectasia
Stenosis of salivary duct
Stricture of salivary duct
Excludes1: sicca syndrome [Sj?gren] (M35.0-)
K11.9 Disease of salivary gland, unspecified
Sialoadenopathy NOS

K12 Stomatitis and related lesions[edit]

Use additional code to identify:
alcohol abuse and dependence (F10.-)
exposure to environmental tobacco smoke (Z77.22)
exposure to tobacco smoke in the perinatal period (P96.81)
history of tobacco use (Z87.891)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)
Excludes1: cancrum oris (A69.0)
cheilitis (K13.0)
gangrenous stomatitis (A69.0)
herpesviral [herpes simplex] gingivostomatitis (B00.2)
noma (A69.0)
K12.0 Recurrent oral aphthae
Aphthous stomatitis (major) (minor)
Bednar's aphthae
Periadenitis mucosa necrotica recurrens
Recurrent aphthous ulcer
Stomatitis herpetiformis
K12.1 Other forms of stomatitis
Stomatitis NOS
Denture stomatitis
Ulcerative stomatitis
Vesicular stomatitis
Excludes1: acute necrotizing ulcerative stomatitis (A69.1)
Vincent's stomatitis (A69.1)
K12.2 Cellulitis and abscess of mouth
Cellulitis of mouth (floor)
Submandibular abscess
Excludes2: abscess of salivary gland (K11.3)
abscess of tongue (K14.0)
periapical abscess (K04.6-K04.7)
periodontal abscess (K05.21)
peritonsillar abscess (J36)
K12.3 Oral mucositis (ulcerative)
Mucositis (oral) (oropharyneal)
Excludes2: gastrointestinal mucositis (ulcerative) (K92.81)
mucositis (ulcerative) of vagina and vulva (N76.81)
nasal mucositis (ulcerative) (J34.81)
K12.30 Oral mucositis (ulcerative), unspecified
K12.31 Oral mucositis (ulcerative) due to antineoplastic therapy
Code also type of associated therapy, such as:
antineoplastic and immunosuppressive drugs (T45.1x-)
radiological procedure and radiotherapy (Y84.2)
K12.32 Oral mucositis (ulcerative) due to other drugs
Code also drug (T36-T50)
K12.33 Oral mucositis (ulcerative) due to radiation
Use additional external cause code (W88-W90, X39.0-) to identify cause
K12.39 Other oral mucositis (ulcerative)
Viral oral mucositis (ulcerative)

K13 Other diseases of lip and oral mucosa[edit]

Includes: epithelial disturbances of tongue
Use additional code to identify:
alcohol abuse and dependence (F10.-)
exposure to environmental tobacco smoke (Z77.22)
exposure to tobacco smoke in the perinatal period (P96.81)
history of tobacco use (Z87.891)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)
Excludes2: certain disorders of gingiva and edentulous alveolar ridge (K05-K06)
cysts of oral region (K09.-)
diseases of tongue (K14.-)
stomatitis and related lesions (K12.-)
K13.0 Diseases of lips
Abscess of lips
Angular cheilitis
Cellulitis of lips
Cheilitis NOS
Cheilodynia
Cheilosis
Exfoliative cheilitis
Fistula of lips
Glandular cheilitis
Hypertrophy of lips
Perl?che NEC
Excludes1: ariboflavinosis (E53.0)
cheilitis due to radiation-related disorders (L55-L59)
congenital fistula of lips (Q38.0)
congenital hypertrophy of lips (Q18.6)
perl?che due to candidiasis (B37.83)
perl?che due to riboflavin deficiency (E53.0)
K13.1 Cheek and lip biting
K13.2 Leukoplakia and other disturbances of oral epithelium, including tongue
Excludes1: carcinoma in situ of oral epithelium (D00.0-)
hairy leukoplakia (K13.3)
K13.21 Leukoplakia of oral mucosa, including tongue
Leukokeratosis of oral mucosa
Leukoplakia of gingiva, lips, tongue
Excludes1: hairy leukoplakia (K13.3)
leukokeratosis nicotina palati (K13.24)
K13.22 Minimal keratinized residual ridge mucosa
Minimal keratinization of alveolar ridge mucosa
K13.23 Excessive keratinized residual ridge mucosa
Excessive keratinization of alveolar ridge mucosa
K13.24 Leukokeratosis nicotina palati
Smoker's palate
K13.29 Other disturbances of oral epithelium, including tongue
Erythroplakia of mouth or tongue
Focal epithelial hyperplasia of mouth or tongue
Leukoedema of mouth or tongue
Other oral epithelium disturbances
K13.3 Hairy leukoplakia
K13.4 Granuloma and granuloma-like lesions of oral mucosa
Eosinophilic granuloma
Granuloma pyogenicum
Verrucous xanthoma
K13.5 Oral submucous fibrosis
Submucous fibrosis of tongue
K13.6 Irritative hyperplasia of oral mucosa
Excludes2: irritative hyperplasia of edentulous ridge [denture hyperplasia] (K06.2)
K13.7 Other and unspecified lesions of oral mucosa
K13.70 Unspecified lesions of oral mucosa
K13.79 Other lesions of oral mucosa
Focal oral mucinosis

K14 Diseases of tongue[edit]

Use additional code to identify:
alcohol abuse and dependence (F10.-)
exposure to environmental tobacco smoke (Z77.22)
history of tobacco use (Z87.891)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)
Excludes2: erythroplakia (K13.29)
focal epithelial hyperplasia (K13.29)
leukedema of tongue (K13.29)
leukoplakia of tongue (K13.21)
hairy leukoplakia (K13.3)
macroglossia (congenital) (Q38.2)
submucous fibrosis of tongue (K13.5)
K14.0 Glossitis
Abscess of tongue
Ulceration (traumatic) of tongue
Excludes1: atrophic glossitis (K14.4)
K14.1 Geographic tongue
Benign migratory glossitis
Glossitis areata exfoliativa
K14.2 Median rhomboid glossitis
K14.3 Hypertrophy of tongue papillae
Black hairy tongue
Coated tongue
Hypertrophy of foliate papillae
Lingua villosa nigra
K14.4 Atrophy of tongue papillae
Atrophic glossitis
K14.5 Plicated tongue
Fissured tongue
Furrowed tongue
Scrotal tongue
Excludes1: fissured tongue, congenital (Q38.3)
K14.6 Glossodynia
Glossopyrosis
Painful tongue
K14.8 Other diseases of tongue
Atrophy of tongue
Crenated tongue
Enlargement of tongue
Glossocele
Glossoptosis
Hypertrophy of tongue
K14.9 Disease of tongue, unspecified
Glossopathy NOS

Diseases of esophagus, stomach and duodenum (K20-K31)[edit]

Excludes2: hiatus hernia (K44.-)

K20 Esophagitis[edit]

Use additional code to identify:
alcohol abuse and dependence (F10.-)
Excludes1: erosion of esophagus (K22.1-)
esophagitis with gastro-esophageal reflux disease (K21.0)
reflux esophagitis (K21.0)
ulcerative esophagitis (K22.1-)
Excludes2: eosinophilic gastritis or gastroenteritis (K52.81)
K20.0 Eosinophilic esophagitis
K20.8 Other esophagitis
Abscess of esophagus
K20.9 Esophagitis, unspecified
Esophagitis NOS

K21 Gastro-esophageal reflux disease[edit]

Excludes1: newborn esophageal reflux (P78.83)
K21.0 Gastro-esophageal reflux disease with esophagitis
Reflux esophagitis
K21.9 Gastro-esophageal reflux disease without esophagitis
Esophageal reflux NOS

K22 Other diseases of esophagus[edit]

Excludes2: esophageal varices (I85.-)
K22.0 Achalasia of cardia
Achalasia NOS
Cardiospasm
Excludes1: congenital cardiospasm (Q39.5)
K22.1 Ulcer of esophagus
Barrett's ulcer
Erosion of esophagus
Fungal ulcer of esophagus
Peptic ulcer of esophagus
Ulcer of esophagus due to ingestion of chemicals
Ulcer of esophagus due to ingestion of drugs and medicaments
Ulcerative esophagitis
Code first (T36-T65) to identify drug or chemical
Excludes1: Barrett's esophagus (K22.81)
K22.10 Ulcer of esophagus without bleeding
Ulcer of esophagus NOS
K22.11 Ulcer of esophagus with bleeding
Excludes2: bleeding esophageal varices (I85.01, I85.11)
K22.2 Esophageal obstruction
Compression of esophagus
Constriction of esophagus
Stenosis of esophagus
Stricture of esophagus
Excludes1: congenital stenosis or stricture of esophagus (Q39.3)
K22.3 Perforation of esophagus
Rupture of esophagus
Excludes1: traumatic perforation of (thoracic) esophagus (S27.8-)
K22.4 Dyskinesia of esophagus
Corkscrew esophagus
Diffuse esophageal spasm
Spasm of esophagus
Excludes1: cardiospasm (K22.0)
K22.5 Diverticulum of esophagus, acquired
Esophageal pouch, acquired
Excludes1: diverticulum of esophagus (congenital) (Q39.6)
K22.6 Gastro-esophageal laceration-hemorrhage syndrome
Mallory-Weiss syndrome
K22.7 Barrett's esophagus
Barrett's disease
Barrett's syndrome
Excludes1: Barrett's ulcer (K22.1)
malignant neoplasm of esophagus (C15.-)
K22.70 Barrett's esophagus without dysplasia
Barrett's esophagus NOS
K22.71 Barrett's esophagus with dysplasia
K22.710 Barrett's esophagus with low grade dysplasia
K22.711 Barrett's esophagus with high grade dysplasia
K22.719 Barrett's esophagus with dysplasia, unspecified
K22.8 Other specified diseases of esophagus
Hemorrhage of esophagus NOS
Excludes2: esophageal varices (I85.-)
Paterson-Kelly syndrome (D50.1)
K22.9 Disease of esophagus, unspecified

K23 Disorders of esophagus in diseases classified elsewhere[edit]

Code first underlying disease, such as:
congenital syphilis (A50.5)
Excludes1: late syphilis (A52.79)
megaesophagus due to Chagas' disease (B57.31)
tuberculosis (A18.83)

K25 Gastric ulcer[edit]

Includes: erosion (acute) of stomach
pylorus ulcer (peptic)
stomach ulcer (peptic)
Use additional code to identify:
alcohol abuse and dependence (F10.-)
Excludes1: acute gastritis (K29.0-)
peptic ulcer NOS (K27.-)
K25.0 Acute gastric ulcer with hemorrhage
K25.1 Acute gastric ulcer with perforation
K25.2 Acute gastric ulcer with both hemorrhage and perforation
K25.3 Acute gastric ulcer without hemorrhage or perforation
K25.4 Chronic or unspecified gastric ulcer with hemorrhage
K25.5 Chronic or unspecified gastric ulcer with perforation
K25.6 Chronic or unspecified gastric ulcer with both hemorrhage and perforation
K25.7 Chronic gastric ulcer without hemorrhage or perforation
K25.9 Gastric ulcer, unspecified as acute or chronic, without hemorrhage or perforation

K26 Duodenal ulcer[edit]

Includes: erosion (acute) of duodenum
duodenum ulcer (peptic)
postpyloric ulcer (peptic)
Use additional code to identify:
alcohol abuse and dependence (F10.-)
Excludes1: peptic ulcer NOS (K27.-)
K26.0 Acute duodenal ulcer with hemorrhage
K26.1 Acute duodenal ulcer with perforation
K26.2 Acute duodenal ulcer with both hemorrhage and perforation
K26.3 Acute duodenal ulcer without hemorrhage or perforation
K26.4 Chronic or unspecified duodenal ulcer with hemorrhage
K26.5 Chronic or unspecified duodenal ulcer with perforation
K26.6 Chronic or unspecified duodenal ulcer with both hemorrhage and perforation
K26.7 Chronic duodenal ulcer without hemorrhage or perforation
K26.9 Duodenal ulcer, unspecified as acute or chronic, without hemorrhage or perforation

K27 Peptic ulcer, site unspecified[edit]

Includes: gastroduodenal ulcer NOS
peptic ulcer NOS
Use additional code to identify:
alcohol abuse and dependence (F10.-)
Excludes1: peptic ulcer of newborn (P78.82)
K27.0 Acute peptic ulcer, site unspecified, with hemorrhage
K27.1 Acute peptic ulcer, site unspecified, with perforation
K27.2 Acute peptic ulcer, site unspecified, with both hemorrhage and perforation
K27.3 Acute peptic ulcer, site unspecified, without hemorrhage or perforation
K27.4 Chronic or unspecified peptic ulcer, site unspecified, with hemorrhage
K27.5 Chronic or unspecified peptic ulcer, site unspecified, with perforation
K27.6 Chronic or unspecified peptic ulcer, site unspecified, with both hemorrhage and perforation
K27.7 Chronic peptic ulcer, site unspecified, without hemorrhage or perforation
K27.9 Peptic ulcer, site unspecified, unspecified as acute or chronic, without hemorrhage or perforation

K28 Gastrojejunal ulcer[edit]

Includes: anastomotic ulcer (peptic) or erosion
gastrocolic ulcer (peptic) or erosion
gastrointestinal ulcer (peptic) or erosion
gastrojejunal ulcer (peptic) or erosion
jejunal ulcer (peptic) or erosion
marginal ulcer (peptic) or erosion
stomal ulcer (peptic) or erosion
Use additional code to identify:
alcohol abuse and dependence (F10.-)
Excludes1: primary ulcer of small intestine (K63.3)
K28.0 Acute gastrojejunal ulcer with hemorrhage
K28.1 Acute gastrojejunal ulcer with perforation
K28.2 Acute gastrojejunal ulcer with both hemorrhage and perforation
K28.3 Acute gastrojejunal ulcer without hemorrhage or perforation
K28.4 Chronic or unspecified gastrojejunal ulcer with hemorrhage
K28.5 Chronic or unspecified gastrojejunal ulcer with perforation
K28.6 Chronic or unspecified gastrojejunal ulcer with both hemorrhage and perforation
K28.7 Chronic gastrojejunal ulcer without hemorrhage or perforation
K28.9 Gastrojejunal ulcer, unspecified as acute or chronic, without hemorrhage or perforation

K29 Gastritis and duodenitis[edit]

Excludes1: eosinophilic gastritis or gastroenteritis (K52.81)
Zollinger-Ellison syndrome (E16.4)
K29.0 Acute gastritis
Use additional code to identify:
alcohol abuse and dependence (F10.-)
Excludes1: erosion (acute) of stomach (K25.-)
K29.00 Acute gastritis without bleeding
K29.01 Acute gastritis with bleeding
K29.2 Alcoholic gastritis
Use additional code to identify:
alcohol abuse and dependence (F10.-)
K29.20 Alcoholic gastritis without bleeding
K29.21 Alcoholic gastritis with bleeding
K29.3 Chronic superficial gastritis
K29.30 Chronic superficial gastritis without bleeding
K29.31 Chronic superficial gastritis with bleeding
K29.4 Chronic atrophic gastritis
Gastric atrophy
K29.40 Chronic atrophic gastritis without bleeding
K29.41 Chronic atrophic gastritis with bleeding
K29.5 Unspecified chronic gastritis
Chronic antral gastritis
Chronic fundal gastritis
K29.50 Unspecified chronic gastritis without bleeding
K29.51 Unspecified chronic gastritis with bleeding
K29.6 Other gastritis
Giant hypertrophic gastritis
Granulomatous gastritis
Ménétrier's disease
K29.60 Other gastritis without bleeding
K29.61 Other gastritis with bleeding
K29.7 Gastritis, unspecified
K29.70 Gastritis, unspecified, without bleeding
K29.71 Gastritis, unspecified, with bleeding
K29.8 Duodenitis
K29.80 Duodenitis without bleeding
K29.81 Duodenitis with bleeding
K29.9 Gastroduodenitis, unspecified
K29.90 Gastroduodenitis, unspecified, without bleeding
K29.91 Gastroduodenitis, unspecified, with bleeding

K30 Dyspepsia[edit]

Includes: indigestion
Excludes1: heartburn (R12)
nervous dyspepsia (F45.8)
neurotic dyspepsia (F45.8)
psychogenic dyspepsia (F45.8)

K31 Other diseases of stomach and duodenum[edit]

Includes: functional disorders of stomach
Excludes2: diabetic gastroparesis (E08.43, E09.43, E10.43, E11.43, E13.43)
diverticulum of duodenum (K57.00-K57.11)
K31.0 Acute dilatation of stomach
Acute distention of stomach
K31.1 Adult hypertrophic pyloric stenosis
Pyloric stenosis NOS
Excludes1: congenital or infantile pyloric stenosis (Q40.0)
K31.2 Hourglass stricture and stenosis of stomach
Excludes1: congenital hourglass stomach (Q40.2)
hourglass contraction of stomach (K31.89)
K31.3 Pylorospasm, not elsewhere classified
Excludes1: congenital or infantile pylorospasm (Q40.0)
neurotic pylorospasm (F45.8)
psychogenic pylorospasm (F45.8)
K31.4 Gastric diverticulum
Excludes1: congenital diverticulum of stomach (Q40.2)
K31.5 Obstruction of duodenum
Constriction of duodenum
Duodenal ileus (chronic)
Stenosis of duodenum
Stricture of duodenum
Volvulus of duodenum
Excludes1: congenital stenosis of duodenum (Q41.0)
K31.6 Fistula of stomach and duodenum
Gastrocolic fistula
Gastrojejunocolic fistula
K31.7 Polyp of stomach and duodenum
Excludes1: adenomatous polyp of stomach (D13.1)
K31.8 Other specified diseases of stomach and duodenum
K31.81 Angiodysplasia of stomach and duodenum
K31.811 Angiodysplasia of stomach and duodenum with bleeding
K31.819 Angiodysplasia of stomach and duodenum without bleeding
Angiodysplasia of stomach and duodenum NOS
K31.82 Dieulafoy lesion (hemorrhagic) of stomach and duodenum
Excludes2: Dieulafoy lesion of intestine (K63.81)
K31.83 Achlorhydria
K31.89 Other diseases of stomach and duodenum
K31.9 Disease of stomach and duodenum, unspecified

Diseases of appendix (K35-K38)[edit]

K35 Acute appendicitis[edit]

K35.2 Acute appendicitis with generalized peritonitis
Appendicitis (acute) with generalized (diffuse) peritonitis following rupture or perforation of appendix
Appendicitis with peritonitis NOS
Perforated appendix NOS
Ruptured appendix NOS
K35.3 Acute appendicitis with localized peritonitis
Acute appendicitis with localized peritonitis with or without rupture or perforation of appendix
Acute appendicitis with peritoneal abscess
K35.8 Other and unspecified acute appendicitis
K35.80 Unspecified acute appendicitis
Acute appendicitis NOS
Acute appendicitis without (localized) (generalized) peritonitis
K35.89 Other acute appendicitis

K36 Other appendicitis[edit]

Includes: chronic appendicitis
recurrent appendicitis

K37 Unspecified appendicitis[edit]

Excludes1:-unspecified appendicitis with peritonitis (K35.2-K35.3)

K38 Other diseases of appendix[edit]

K38.0 Hyperplasia of appendix
K38.1 Appendicular concretions
Fecalith of appendix
Stercolith of appendix
K38.2 Diverticulum of appendix
K38.3 Fistula of appendix
K38.8 Other specified diseases of appendix
Intussusception of appendix
K38.9 Disease of appendix, unspecified

Hernia (K40-K46)[edit]

Note: Hernia with both gangrene and obstruction is classified to hernia with gangrene.
Includes: acquired hernia
congenital [except diaphragmatic or hiatus] hernia
recurrent hernia

K40 Inguinal hernia[edit]

Includes: bubonocele
direct inguinal hernia
double inguinal hernia
indirect inguinal hernia
inguinal hernia NOS
oblique inguinal hernia
scrotal hernia
K40.0 Bilateral inguinal hernia, with obstruction, without gangrene
Inguinal hernia (bilateral) causing obstruction without gangrene
Incarcerated inguinal hernia (bilateral) without gangrene
Irreducible inguinal hernia (bilateral) without gangrene
Strangulated inguinal hernia (bilateral) without gangrene
K40.00 Bilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrent
Bilateral inguinal hernia, with obstruction, without gangrene NOS
K40.01 Bilateral inguinal hernia, with obstruction, without gangrene, recurrent
K40.1 Bilateral inguinal hernia, with gangrene
K40.10 Bilateral inguinal hernia, with gangrene, not specified as recurrent
Bilateral inguinal hernia, with gangrene NOS
K40.11 Bilateral inguinal hernia, with gangrene, recurrent
K40.2 Bilateral inguinal hernia, without obstruction or gangrene
K40.20 Bilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
Bilateral inguinal hernia NOS
K40.21 Bilateral inguinal hernia, without obstruction or gangrene, recurrent
K40.3 Unilateral inguinal hernia, with obstruction, without gangrene
Inguinal hernia (unilateral) causing obstruction without gangrene
Incarcerated inguinal hernia (unilateral) without gangrene
Irreducible inguinal hernia (unilateral) without gangrene
Strangulated inguinal hernia (unilateral) without gangrene
K40.30 Unilateral inguinal hernia, with obstruction, without gangrene, not specified as recurrent
Inguinal hernia, with obstruction NOS
Unilateral inguinal hernia, with obstruction, without gangrene NOS
K40.31 Unilateral inguinal hernia, with obstruction, without gangrene, recurrent
K40.4 Unilateral inguinal hernia, with gangrene
K40.40 Unilateral inguinal hernia, with gangrene, not specified as recurrent
Inguinal hernia with gangrene NOS
Unilateral inguinal hernia with gangrene NOS
K40.41 Unilateral inguinal hernia, with gangrene, recurrent
K40.9 Unilateral inguinal hernia, without obstruction or gangrene
K40.90 Unilateral inguinal hernia, without obstruction or gangrene, not specified as recurrent
Inguinal hernia NOS
Unilateral inguinal hernia NOS
K40.91 Unilateral inguinal hernia, without obstruction or gangrene, recurrent

K41 Femoral hernia[edit]

K41.0 Bilateral femoral hernia, with obstruction, without gangrene
Femoral hernia (bilateral) causing obstruction, without gangrene
Incarcerated femoral hernia (bilateral), without gangrene
Irreducible femoral hernia (bilateral), without gangrene
Strangulated femoral hernia (bilateral), without gangrene
K41.00 Bilateral femoral hernia, with obstruction, without gangrene, not specified as recurrent
Bilateral femoral hernia, with obstruction, without gangrene NOS
K41.01 Bilateral femoral hernia, with obstruction, without gangrene, recurrent
K41.1 Bilateral femoral hernia, with gangrene
K41.10 Bilateral femoral hernia, with gangrene, not specified as recurrent
Bilateral femoral hernia, with gangrene NOS
K41.11 Bilateral femoral hernia, with gangrene, recurrent
K41.2 Bilateral femoral hernia, without obstruction or gangrene
K41.20 Bilateral femoral hernia, without obstruction or gangrene, not specified as recurrent
Bilateral femoral hernia NOS
K41.21 Bilateral femoral hernia, without obstruction or gangrene, recurrent
K41.3 Unilateral femoral hernia, with obstruction, without gangrene
Femoral hernia (unilateral) causing obstruction, without gangrene
Incarcerated femoral hernia (unilateral), without gangrene
Irreducible femoral hernia (unilateral), without gangrene
Strangulated femoral hernia (unilateral), without gangrene
K41.30 Unilateral femoral hernia, with obstruction, without gangrene, not specified as recurrent
Femoral hernia, with obstruction NOS
Unilateral femoral hernia, with obstruction NOS
K41.31 Unilateral femoral hernia, with obstruction, without gangrene, recurrent
K41.4 Unilateral femoral hernia, with gangrene
K41.40 Unilateral femoral hernia, with gangrene, not specified as recurrent
Femoral hernia, with gangrene NOS
Unilateral femoral hernia, with gangrene NOS
K41.41 Unilateral femoral hernia, with gangrene, recurrent
K41.9 Unilateral femoral hernia, without obstruction or gangrene
K41.90 Unilateral femoral hernia, without obstruction or gangrene, not specified as recurrent
Femoral hernia NOS
Unilateral femoral hernia NOS
K41.91 Unilateral femoral hernia, without obstruction or gangrene, recurrent

K42 Umbilical hernia[edit]

Includes: paraumbilical hernia
Excludes1: omphalocele (Q79.2)
K42.0 Umbilical hernia with obstruction, without gangrene
Umbilical hernia causing obstruction, without gangrene
Incarcerated umbilical hernia, without gangrene
Irreducible umbilical hernia, without gangrene
Strangulated umbilical hernia, without gangrene
K42.1 Umbilical hernia with gangrene
Gangrenous umbilical hernia
K42.9 Umbilical hernia without obstruction or gangrene
Umbilical hernia NOS

K43 Ventral hernia[edit]

K43.0 Ventral hernia with obstruction, without gangrene
Ventral hernia causing obstruction, without gangrene
Incarcerated ventral hernia, without gangrene
Irreducible ventral hernia, without gangrene
Strangulated ventral hernia, without gangrene
K43.00 Ventral hernia, unspecified, with obstruction, without gangrene
K43.01 Incisional hernia, with obstruction, without gangrene
K43.09 Other ventral hernia, with obstruction, without gangrene
Epigastric hernia
K43.1 Ventral hernia with gangrene
Gangrenous ventral hernia
K43.10 Ventral hernia, unspecified, with gangrene
K43.11 Incisional hernia, with gangrene
K43.19 Other ventral hernia, with gangrene
Epigastric hernia
K43.9 Ventral hernia without obstruction or gangrene
K43.90 Ventral hernia, unspecified, without obstruction or gangrene
Ventral hernia NOS
K43.91 Incisional hernia, without obstruction or gangrene
K43.99 Other ventral hernia, without obstruction or gangrene
Epigastric hernia

K44 Diaphragmatic hernia[edit]

Includes: hiatus hernia (esophageal) (sliding)
paraesophageal hernia
Excludes1: congenital diaphragmatic hernia (Q79.0)
congenital hiatus hernia (Q40.1)
K44.0 Diaphragmatic hernia with obstruction, without gangrene
Diaphragmatic hernia causing obstruction
Incarcerated diaphragmatic hernia
Irreducible diaphragmatic hernia
Strangulated diaphragmatic hernia
K44.1 Diaphragmatic hernia with gangrene
Gangrenous diaphragmatic hernia
K44.9 Diaphragmatic hernia without obstruction or gangrene
Diaphragmatic hernia NOS

K45 Other abdominal hernia[edit]

Includes: abdominal hernia, specified site NEC
lumbar hernia
obturator hernia
pudendal hernia
retroperitoneal hernia
sciatic hernia
K45.0 Other specified abdominal hernia with obstruction, without gangrene
Other specified abdominal hernia causing obstruction
Other specified incarcerated abdominal hernia
Other specified irreducible abdominal hernia
Other specified strangulated abdominal hernia
Excludes2: hernia due to adhesions with obstruction (K56.5)
K45.1 Other specified abdominal hernia with gangrene
Any condition listed under K45 specified as gangrenous
K45.8 Other specified abdominal hernia without obstruction or gangrene

K46 Unspecified abdominal hernia[edit]

Includes: enterocele
epiplocele
hernia NOS
interstitial hernia
intestinal hernia
intra-abdominal hernia
Excludes1: vaginal enterocele (N81.5)
K46.0 Unspecified abdominal hernia with obstruction, without gangrene
Unspecified abdominal hernia causing obstruction
Unspecified incarcerated abdominal hernia
Unspecified irreducible abdominal hernia
Unspecified strangulated abdominal hernia
K46.1 Unspecified abdominal hernia with gangrene
Any condition listed under K46 specified as gangrenous
K46.9 Unspecified abdominal hernia without obstruction or gangrene
Abdominal hernia NOS

Noninfective enteritis and colitis (K50-K52)[edit]

Includes: noninfective inflammatory bowel disease
Excludes1: irritable bowel syndrome (K58.-)
megacolon (K59.3)

K50 Crohn's disease [regional enteritis][edit]

Includes: granulomatous enteritis
Excludes1: ulcerative colitis (K51.-)
Use additional code to identify manifestations, such as:
pyoderma gangrenosum (L88)
K50.0 Crohn's disease of small intestine
Crohn's disease [regional enteritis] of duodenum
Crohn's disease [regional enteritis] of ileum
Crohn's disease [regional enteritis] of jejunum
Regional ileitis
Terminal ileitis
Excludes1: Crohn's disease of both small and large intestine (K50.8-)
K50.00 Crohn's disease of small intestine without complications
K50.01 Crohn's disease of small intestine with complications
K50.011 Crohn's disease of small intestine with rectal bleeding
K50.012 Crohn's disease of small intestine with intestinal obstruction
K50.013 Crohn's disease of small intestine with fistula
K50.014 Crohn's disease of small intestine with abscess
K50.018 Crohn's disease of small intestine with other complication
K50.019 Crohn's disease of small intestine with unspecified complications
K50.1 Crohn's disease of large intestine
Crohn's disease [regional enteritis] of colon
Crohn's disease [regional enteritis] of large bowel
Crohn's disease [regional enteritis] of rectum
Granulomatous colitis
Regional colitis
Excludes1: Crohn's disease of both small and large intestine (K50.8)
K50.10 Crohn's disease of large intestine without complications
K50.11 Crohn's disease of large intestine with complications
K50.111 Crohn's disease of large intestine with rectal bleeding
K50.112 Crohn's disease of large intestine with intestinal obstruction
K50.113 Crohn's disease of large intestine with fistula
K50.114 Crohn's disease of large intestine with abscess
K50.118 Crohn's disease of large intestine with other complication
K50.119 Crohn's disease of large intestine with unspecified complications
K50.8 Crohn's disease of both small and large intestine
K50.80 Crohn's disease of both small and large intestine without complications
K50.81 Crohn's disease of both small and large intestine with complications
K50.811 Crohn's disease of both small and large intestine with rectal bleeding
K50.812 Crohn's disease of both small and large intestine with intestinal obstruction
K50.813 Crohn's disease of both small and large intestine with fistula
K50.814 Crohn's disease of both small and large intestine with abscess
K50.818 Crohn's disease of both small and large intestine with other complication
K50.819 Crohn's disease of both small and large intestine with unspecified complications
K50.9 Crohn's disease, unspecified
K50.90 Crohn's disease, unspecified, without complications
Crohn's disease NOS
Regional enteritis NOS
K50.91 Crohn's disease, unspecified, with complications
K50.911 Crohn's disease, unspecified, with rectal bleeding
K50.912 Crohn's disease, unspecified, with intestinal obstruction
K50.913 Crohn's disease, unspecified, with fistula
K50.914 Crohn's disease, unspecified, with abscess
K50.918 Crohn's disease, unspecified, with other complication
K50.919 Crohn's disease, unspecified, with unspecified complications

K51 Ulcerative colitis[edit]

Use additional code to identify manifestations, such as:
pyoderma gangrenosum (L88)
Excludes1: Crohn?s disease [regional enteritis] (K50.-)
K51.0 Ulcerative (chronic) pancolitis
Backwash ileitis
K51.00 Ulcerative (chronic) pancolitis without complications
Ulcerative (chronic) panocolitis NOS
K51.01 Ulcerative (chronic) panocolitis with complications
K51.011 Ulcerative (chronic) pancolitis with rectal bleeding
K51.012 Ulcerative (chronic) pancolitis with intestinal obstruction
K51.013 Ulcerative (chronic) pancolitis with fistula
K51.014 Ulcerative (chronic) panocolitis with abscess
K51.018 Ulcerative (chronic) pancolitis with other complication
K51.019 Ulcerative (chronic) panocolitis with unspecified complications
K51.2 Ulcerative (chronic) proctitis
K51.20 Ulcerative (chronic) proctitis without complications
Ulcerative (chronic) proctitis NOS
K51.21 Ulcerative (chronic) proctitis with complications
K51.211 Ulcerative (chronic) proctitis with rectal bleeding
K51.212 Ulcerative (chronic) proctitis with intestinal obstruction
K51.213 Ulcerative (chronic) proctitis with fistula
K51.214 Ulcerative (chronic) proctitis with abscess
K51.218 Ulcerative (chronic) proctitis with other complication
K51.219 Ulcerative (chronic) proctitis with unspecified complications
K51.3 Ulcerative (chronic) rectosigmoiditis
K51.30 Ulcerative (chronic) rectosigmoiditis without complications
Ulcerative (chronic) rectosigmoiditis NOS
K51.31 Ulcerative (chronic) rectosigmoiditis with complications
K51.311 Ulcerative (chronic) rectosigmoiditis with rectal bleeding
K51.312 Ulcerative (chronic) rectosigmoiditis with intestinal obstruction
K51.313 Ulcerative (chronic) rectosigmoiditis with fistula
K51.314 Ulcerative (chronic) rectosigmoiditis with abscess
K51.318 Ulcerative (chronic) rectosigmoiditis with other complication
K51.319 Ulcerative (chronic) rectosigmoiditis with unspecified complications
K51.4 Inflammatory polyps of colon
Excludes1: adenomatous polyp of colon (D12.6)
polyposis of colon (D12.6)
polyps of colon NOS (K63.5)
K51.40 Inflammatory polyps of colon without complications
Inflammatory polyps of colon NOS
K51.41 Inflammatory polyps of colon with complications
K51.411 Inflammatory polyps of colon with rectal bleeding
K51.412 Inflammatory polyps of colon with intestinal obstruction
K51.413 Inflammatory polyps of colon with fistula
K51.414 Inflammatory polyps of colon with abscess
K51.418 Inflammatory polyps of colon with other complication
K51.419 Inflammatory polyps of colon with unspecified complications
K51.5 Left sided colitis
Left hemicolitis
K51.50 Left sided colitis without complications
Left sided colitis NOS
K51.51 Left sided colitis with complications
K51.511 Left sided colitis with rectal bleeding
K51.512 Left sided colitis with intestinal obstruction
K51.513 Left sided colitis with fistula
K51.514 Left sided colitis with abscess
K51.518 Left sided colitis with other complication
K51.519 Left sided colitis with unspecified complications
K51.8 Other ulcerative colitis
K51.80 Other ulcerative colitis without complications
K51.81 Other ulcerative colitis with complications
K51.811 Other ulcerative colitis with rectal bleeding
K51.812 Other ulcerative colitis with intestinal obstruction
K51.813 Other ulcerative colitis with fistula
K51.814 Other ulcerative colitis with abscess
K51.818 Other ulcerative colitis with other complication
K51.819 Other ulcerative colitis with unspecified complications
K51.9 Ulcerative colitis, unspecified
K51.90 Ulcerative colitis, unspecified, without complications
K51.91 Ulcerative colitis, unspecified, with complications
K51.911 Ulcerative colitis, unspecified with rectal bleeding
K51.912 Ulcerative colitis, unspecified with intestinal obstruction
K51.913 Ulcerative colitis, unspecified with fistula
K51.914 Ulcerative colitis, unspecified with abscess
K51.918 Ulcerative colitis, unspecified with other complication
K51.919 Ulcerative colitis, unspecified with unspecified complications

K52 Other and unspecified noninfective gastroenteritis and colitis[edit]

K52.0 Gastroenteritis and colitis due to radiation
K52.1 Toxic gastroenteritis and colitis
Code first (T51-T65) to identify toxic agent.
K52.2 Allergic and dietetic gastroenteritis and colitis
Food hypersensitivity gastroenteritis or colitis
Use additional code to identify type of food allergy (Z91.01-, Z91.02-)
K52.8 Other specified noninfective gastroenteritis and colitis
K52.81 Eosinophilic gastritis or gastroenteritis
Eosinophilic enteritis
Excludes1: eosinophilic esophagitis (K20.0)
K52.82 Eosinophilic colitis
K52.89 Other specified noninfective gastroenteritis and colitis
Collagenous colitis
Lymphocytic colitis
Microscopic colitis (collagenous or lymphocytic)
K52.9 Noninfective gastroenteritis and colitis, unspecified
Colitis NOS
Enteritis NOS
Gastroenteritis NOS
Ileitis NOS
Jejunitis NOS
Sigmoiditis NOS
Excludes1: diarrhea NOS (R19.7)
functional diarrhea (K59.1)
infectious gastroenteritis and colitis NOS (A09)
neonatal diarrhea (noninfective) (P78.3)
psychogenic diarrhea (F45.8)

Other diseases of intestines (K55-K63)[edit]

K55 Vascular disorders of intestine[edit]

Excludes1: necrotizing enterocolitis of newborn (P77.-)
K55.0 Acute vascular disorders of intestine
Acute fulminant ischemic colitis
Acute intestinal infarction
Acute small intestine ischemia
Infarction of appendices epiploicae
Mesenteric (artery) (vein) embolism
Mesenteric (artery) (vein) infarction
Mesenteric (artery) (vein) thrombosis
Necrosis of intestine
Subacute ischemic colitis
K55.1 Chronic vascular disorders of intestine
Chronic ischemic colitis
Chronic ischemic enteritis
Chronic ischemic enterocolitis
Ischemic stricture of intestine
Mesenteric atherosclerosis
Mesenteric vascular insufficiency
K55.2 Angiodysplasia of colon
K55.20 Angiodysplasia of colon without hemorrhage
K55.21 Angiodysplasia of colon with hemorrhage
K55.8 Other vascular disorders of intestine
K55.9 Vascular disorder of intestine, unspecified
Ischemic colitis
Ischemic enteritis
Ischemic enterocolitis

K56 Paralytic ileus and intestinal obstruction without hernia[edit]

Excludes1: congenital stricture or stenosis of intestine (Q41-Q42)
cystic fibrosis with meconium ileus (E84.11)
ischemic stricture of intestine (K55.1)
meconium ileus NOS (P76.0)
neonatal intestinal obstructions classifiable to P76.-
obstruction of duodenum (K31.5)
postprocedural intestinal obstruction (K91.3)
stenosis of anus or rectum (K62.4)
intestinal obstruction with hernia (K40-K46)
K56.0 Paralytic ileus
Paralysis of bowel
Paralysis of colon
Paralysis of intestine
Excludes1: gallstone ileus (K56.3)
ileus NOS (K56.7)
obstructive ileus NOS (K56.69)
K56.1 Intussusception
Intussusception or invagination of bowel
Intussusception or invagination of colon
Intussusception or invagination of intestine
Intussusception or invagination of rectum
Excludes2: intussusception of appendix (K38.8)
K56.2 Volvulus
Strangulation of colon or intestine
Torsion of colon or intestine
Twist of colon or intestine
Excludes2: volvulus of duodenum (K31.5)
K56.3 Gallstone ileus
Obstruction of intestine by gallstone
K56.4 Other impaction of intestine
Enterolith
Fecal impaction
Impaction (of) colon
K56.5 Intestinal adhesions [bands] with obstruction (postprocedural) (postinfection)
Abdominal hernia due to adhesions with obstruction
Peritoneal adhesions [bands] with intestinal obstruction (postprocedural) (postinfection)
K56.6 Other and unspecified intestinal obstruction
K56.60 Unspecified intestinal obstruction
Intestinal obstruction NOS
Excludes1: intestinal obstruction due to specified condition-code to condition
K56.69 Other intestinal obstruction
Enterostenosis NOS
Obstructive ileus NOS
Occlusion of colon or intestine NOS
Stenosis of colon or intestine NOS
Stricture of colon or intestine NOS
Excludes1: intestinal obstruction due to specified condition-code to condition
K56.7 Ileus, unspecified
Excludes1: obstructive ileus (K56.69)

K57 Diverticular disease of intestine[edit]

Excludes1: congenital diverticulum of intestine (Q43.8)
Meckel's diverticulum (Q43.0)
Excludes2: diverticulum of appendix (K38.2)
K57.0 Diverticulitis of small intestine with perforation and abscess
Diverticulitis of small intestine with peritonitis
Excludes1: diverticulitis of both small and large intestine with perforation and abscess (K57.4-)
K57.00 Diverticulitis of small intestine with perforation and abscess without bleeding
K57.01 Diverticulitis of small intestine with perforation and abscess with bleeding
K57.1 Diverticular disease of small intestine without perforation or abscess
Excludes1: diverticular disease of both small and large intestine without perforation or abscess (K57.5-)
K57.10 Diverticulosis of small intestine without perforation or abscess without bleeding
Diverticular disease of small intestine NOS
K57.11 Diverticulosis of small intestine without perforation or abscess with bleeding
K57.12 Diverticulitis of small intestine without perforation or abscess without bleeding
K57.13 Diverticulitis of small intestine without perforation or abscess with bleeding
K57.2 Diverticulitis of large intestine with perforation and abscess
Diverticulitis of colon with peritonitis
Excludes1: diverticulitis of both small and large intestine with perforation and abscess (K57.4-)
K57.20 Diverticulitis of large intestine with perforation and abscess without bleeding
K57.21 Diverticulitis of large intestine with perforation and abscess with bleeding
K57.3 Diverticular disease of large intestine without perforation or abscess
Excludes1: diverticular disease of both small and large intestine without perforation or abscess (K57.5-)
K57.30 Diverticulosis of large intestine without perforation or abscess without bleeding
Diverticular disease of colon NOS
K57.31 Diverticulosis of large intestine without perforation or abscess with bleeding
K57.32 Diverticulitis of large intestine without perforation or abscess without bleeding
K57.33 Diverticulitis of large intestine without perforation or abscess with bleeding
K57.4 Diverticulitis of both small and large intestine with perforation and abscess
Diverticulitis of both small and large intestine with peritonitis
K57.40 Diverticulitis of both small and large intestine with perforation and abscess without bleeding
K57.41 Diverticulitis of both small and large intestine with perforation and abscess with bleeding
K57.5 Diverticular disease of both small and large intestine without perforation or abscess
K57.50 Diverticulosis of both small and large intestine without perforation or abscess without bleeding
Diverticular disease of both small and large intestine NOS
K57.51 Diverticulosis of both small and large intestine without perforation or abscess with bleeding
K57.52 Diverticulitis of both small and large intestine without perforation or abscess without bleeding
K57.53 Diverticulitis of both small and large intestine without perforation or abscess with bleeding
K57.8 Diverticulitis of intestine, part unspecified, with perforation and abscess
Diverticulitis of intestine NOS with peritonitis
K57.80 Diverticulitis of intestine, part unspecified, with perforation and abscess without bleeding
K57.81 Diverticulitis of intestine, part unspecified, with perforation and abscess with bleeding
K57.9 Diverticular disease of intestine, part unspecified, without perforation or abscess
K57.90 Diverticulosis of intestine, part unspecified, without perforation or abscess without bleeding
Diverticular disease of intestine NOS
K57.91 Diverticulosis of intestine, part unspecified, without perforation or abscess with bleeding
K57.92 Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding
K57.93 Diverticulitis of intestine, part unspecified, without perforation or abscess with bleeding

K58 Irritable bowel syndrome[edit]

Includes: irritable colon
spastic colon
K58.0 Irritable bowel syndrome with diarrhea
K58.9 Irritable bowel syndrome without diarrhea
Irritable bowel syndrome NOS

K59 Other functional intestinal disorders[edit]

Excludes1: change in bowel habit NOS (R19.4)
intestinal malabsorption (K90.-)
psychogenic intestinal disorders (F45.8)
Excludes2: functional disorders of stomach (K31.-)
K59.0 Constipation
K59.00 Constipation, unspecified
K59.01 Slow transit constipation
K59.02 Outlet dysfunction constipation
K59.09 Other constipation
K59.1 Functional diarrhea
Excludes1: diarrhea NOS (R19.7)
irritable bowel syndrome with diarrhea (K58.0)
K59.2 Neurogenic bowel, not elsewhere classified
K59.3 Megacolon, not elsewhere classified
Dilatation of colon
Toxic megacolon
Code first (T51-T65) to identify toxic agent
Excludes1: congenital megacolon (aganglionic) (Q43.1)
Hirschsprung's disease (Q43.1)
megacolon in Chagas' disease (B57.32)
K59.4 Anal spasm
Proctalgia fugax
K59.8 Other specified functional intestinal disorders
Atony of colon
Pseudo-obstruction (acute) (chronic) of intestine
K59.9 Functional intestinal disorder, unspecified

K60 Fissure and fistula of anal and rectal regions[edit]

Excludes1: fissure and fistula of anal and rectal regions with abscess or cellulitis (K61.-)
Excludes2: anal sphincter tear (healed) (nontraumatic) (old) (K62.81)
K60.0 Acute anal fissure
K60.1 Chronic anal fissure
K60.2 Anal fissure, unspecified
K60.3 Anal fistula
K60.4 Rectal fistula
Fistula of rectum to skin
Excludes1: rectovaginal fistula (N82.3)
vesicorectal fistual (N32.1)
K60.5 Anorectal fistula

K61 Abscess of anal and rectal regions[edit]

Includes: abscess of anal and rectal regions
cellulitis of anal and rectal regions
K61.0 Anal abscess
Perianal abscess
Excludes1: intrasphincteric abscess (K61.4)
K61.1 Rectal abscess
Perirectal abscess
Excludes1: ischiorectal abscess (K61.3)
K61.2 Anorectal abscess
K61.3 Ischiorectal abscess
Abscess of ischiorectal fossa
K61.4 Intrasphincteric abscess

K62 Other diseases of anus and rectum[edit]

Includes: anal canal
Excludes2: colostomy and enterostomy malfunction (K91.4-)
fecal incontinence (R15)
hemorrhoids (I84.-)
K62.0 Anal polyp
K62.1 Rectal polyp
Excludes1: adenomatous polyp (D12.8)
K62.2 Anal prolapse
Prolapse of anal canal
K62.3 Rectal prolapse
Prolapse of rectal mucosa
K62.4 Stenosis of anus and rectum
Stricture of anus (sphincter)
K62.5 Hemorrhage of anus and rectum
Excludes1: gastrointestinal bleeding NOS (K92.2)
melena (K92.1)
neonatal rectal hemorrhage (P54.2)
K62.6 Ulcer of anus and rectum
Solitary ulcer of anus and rectum
Stercoral ulcer of anus and rectum
Excludes1: fissure and fistula of anus and rectum (K60.-)
ulcerative colitis (K51.-)
K62.7 Radiation proctitis
Use additional code to identify the type of radiation (W90.-)
K62.8 Other specified diseases of anus and rectum
Excludes2: ulcerative proctitis (K51.2)
K62.81 Anal sphincter tear (healed) (nontraumatic) (old)
Tear of anus, nontraumatic
Use additional code for any associated fecal incontinence (R15)
Excludes2: anal fissure (K60.-)
anal sphincter tear (healed) (old) complicating delivery (O34.7-)
traumatic tear of anal sphincter (S31.831)
K62.82 Dysplasia of anus
Anal intraepithelial neoplasia I and II (AIN I and II) (histologically confirmed)
Dysplasia of anus NOS
Mild and moderate dysplasia of anus (histologically confirmed)
Excludes1: abnormal results from anal cytologic examination without histologic confirmation (R85.61-)
anal intraepithelial neoplasia III (D01.3)
carcinoma in situ of anus (D01.3)
HGSIL of anus (R85.613)
severe dysplasia of anus (D01.3)
K62.89 Other specified diseases of anus and rectum
Proctitis NOS
K62.9 Disease of anus and rectum, unspecified

K63 Other diseases of intestine[edit]

K63.0 Abscess of intestine
Excludes1: abscess of intestine with Crohn's disease (K50.04, K50.14, K50.84, K50.94,)
abscess of intestine with diverticular disease (K57.0, K57.2, K57.4, K57.8)
abscess of intestine with ulcerative colitis (K51.04, K51.14, K51.24, K51.34, K51.44, K51.54, K51.84, K51.94)
Excludes2: abscess of anal and rectal regions (K61.-)
abscess of appendix (K35.2)
K63.1 Perforation of intestine (nontraumatic)
Perforation (nontraumatic) of rectum
Excludes1: perforation (nontraumatic) of duodenum (K26.-)
perforation (nontraumatic) of intestine with diverticular disease (K57.0, K57.2, K57.4, K57.8)
Excludes2: perforation (nontraumatic) of appendix (K35.2, K35.3)
K63.2 Fistula of intestine
Excludes1: fistula of duodenum (K31.6)
fistula of intestine with Crohn?s disease (K50.03, K50.13, K50.83, K50.93,)
fistula of intestine with ulcerative colitis (K51.03, K51.13, K51.23, K51.33, K51.43, K51.53, K51.83, K51.93)
Excludes2: fistula of anal and rectal regions (K60.-)
fistula of appendix (K38.3)
intestinal-genital fistula, female (N82.2-N82.4)
vesicointestinal fistula (N32.1)
K63.3 Ulcer of intestine
Primary ulcer of small intestine
Excludes1: duodenal ulcer (K26.-)
gastrointestinal ulcer (K28.-)
gastrojejunal ulcer (K28.-)
jejunal ulcer (K28.-)
peptic ulcer, site unspecified (K27.-)
ulcer of intestine with perforation (K63.1)
ulcer of anus or rectum (K62.6)
ulcerative colitis (K51.-)
K63.4 Enteroptosis
K63.5 Polyp of colon
Excludes1: adenomatous polyp of colon (D12.6)
inflammatory polyp of colon (K51.4-)
polyposis of colon (D12.6)
K63.8 Other specified diseases of intestine
K63.81 Dieulafoy lesion of intestine
Excludes2: Dieulafoy lesion of stomach and duodenum (K31.82)
K63.89 Other specified diseases of intestine
K63.9 Disease of intestine, unspecified

Diseases of peritoneum and retroperitoneum (K65-K68)[edit]

K65 Peritonitis[edit]

Use additional code (B95-B97), to identify infectious agent
Excludes1: acute appendicitis with generalized peritonitis (K35.2)
aseptic peritonitis (T81.6)
benign paroxysmal peritonitis (E85.0)
chemical peritonitis (T81.6)
diverticulitis of both small and large intestine with peritonitis (K57.4-)
diverticulitis of colon with peritonitis (K57.2-)
diverticulitis of intestine, NOS, with peritonitis (K57.8-)
diverticulitis of small intestine with peritonitis (K57.0-)
gonococcal peritonitis (A54.85)
neonatal peritonitis (P78.0-P78.1)
pelvic peritonitis, female (N73.3-N73.5)
periodic familial peritonitis (E85.0)
peritonitis due to talc or other foreign substance (T81.6)
peritonitis in chlamydia (A74.81)
peritonitis in diphtheria (A36.89)
peritonitis in syphilis (late) (A52.74)
peritonitis in tuberculosis (A18.31)
peritonitis with or following abortion or ectopic or molar pregnancy (O00-O07, O08.0)
peritonitis with or following appendicitis (K35.-)
peritonitis with or following diverticular disease of intestine (K57.-)
puerperal peritonitis (O85)
retroperitoneal infections (K68.-)
K65.0 Generalized (acute) peritonitis
Pelvic peritonitis (acute), male
Subphrenic peritonitis (acute)
Suppurative peritonitis (acute)
K65.1 Peritoneal abscess
Abdominopelvic abscess
Abscess (of) omentum
Abscess (of) peritoneum
Mesenteric abscess
Retrocecal abscess
Subdiaphragmatic abscess
Subhepatic abscess
Subphrenic abscess
K65.2 Spontaneous bacterial peritonitis
Excludes1: bacterial peritonitis NOS K65.9
K65.3 Choleperitonitis
Peritonitis due to bile
K65.4 Sclerosing mesenteritis
Fat necrosis of peritoneum
(Idiopathic) sclerosing mesenteric fibrosis
Mesenteric lipodystrophy
Mesenteric panniculitis
Retractile mesenteritis
K65.8 Other peritonitis
Chronic proliferative peritonitis
Peritonitis due to urine
K65.9 Peritonitis, unspecified
Bacterial peritonitis NOS

K66 Other disorders of peritoneum[edit]

Excludes2: ascites (R18.-)
peritoneal effusion (chronic) (R18.8)
K66.0 Peritoneal adhesions (postprocedural) (postinfection)
Adhesions (of) abdominal (wall)
Adhesions (of) diaphragm
Adhesions (of) intestine
Adhesions (of) male pelvis
Adhesions (of) omentum
Adhesions (of) stomach
Adhesive bands
Mesenteric adhesions
Excludes1: female pelvic adhesions [bands] (N73.6)
peritoneal adhesions with intestinal obstruction (K56.5)
K66.1 Hemoperitoneum
Excludes1: traumatic hemoperitoneum (S36.8-)
K66.8 Other specified disorders of peritoneum
K66.9 Disorder of peritoneum, unspecified

K67 Disorders of peritoneum in infectious diseases classified elsewhere[edit]

Code first underlying disease, such as :
congenital syphilis (A50.0)
helminthiasis (B65.0 - B83.9)
Excludes1: peritonitis in chlamydia (A74.81)
peritonitis in diphtheria (A36.89)
peritonitis in gonococcal (A54.85)
peritonitis in syphilis (late) (A52.74)
peritonitis in tuberculosis (A18.31)

K68 Disorders of retroperitoneum[edit]

K68.1 Retroperitoneal abscess
K68.11 Postprocedural retroperitoneal abscess
K68.12 Psoas muscle abscess
K68.19 Other retroperitoneal abscess
K68.9 Other disorders of retroperitoneum

Diseases of liver (K70-K77)[edit]

Excludes1: jaundice NOS (R17)
Excludes2: hemochromatosis (E83.1)
Reye's syndrome (G93.7)
viral hepatitis (B15-B19)
Wilson's disease (E83.0)

K70 Alcoholic liver disease[edit]

Use additional code to identify:
alcohol abuse and dependence (F10.-)
K70.0 Alcoholic fatty liver
K70.1 Alcoholic hepatitis
K70.10 Alcoholic hepatitis without ascites
K70.11 Alcoholic hepatitis with ascites
K70.2 Alcoholic fibrosis and sclerosis of liver
K70.3 Alcoholic cirrhosis of liver
Alcoholic cirrhosis NOS
K70.30 Alcoholic cirrhosis of liver without ascites
K70.31 Alcoholic cirrhosis of liver with ascites
K70.4 Alcoholic hepatic failure
Acute alcoholic hepatic failure
Alcoholic hepatic failure NOS
Chronic alcoholic hepatic failure
Subacute alcoholic hepatic failure
K70.40 Alcoholic hepatic failure without coma
K70.41 Alcoholic hepatic failure with coma
K70.9 Alcoholic liver disease, unspecified

K71 Toxic liver disease[edit]

Includes: drug-induced idiosyncratic (unpredictable) liver disease
drug-induced toxic (predictable) liver disease
Code first (T36-T65) to identify drug or toxic agent
Excludes2: alcoholic liver disease (K70.-)
Budd-Chiari syndrome (I82.0)
K71.0 Toxic liver disease with cholestasis
Cholestasis with hepatocyte injury
"Pure" cholestasis
K71.1 Toxic liver disease with hepatic necrosis
Hepatic failure (acute) (chronic) due to drugs
K71.10 Toxic liver disease with hepatic necrosis, without coma
K71.11 Toxic liver disease with hepatic necrosis, with coma
K71.2 Toxic liver disease with acute hepatitis
K71.3 Toxic liver disease with chronic persistent hepatitis
K71.4 Toxic liver disease with chronic lobular hepatitis
K71.5 Toxic liver disease with chronic active hepatitis
Toxic liver disease with lupoid hepatitis
K71.50 Toxic liver disease with chronic active hepatitis without ascites
K71.51 Toxic liver disease with chronic active hepatitis with ascites
K71.6 Toxic liver disease with hepatitis, not elsewhere classified
K71.7 Toxic liver disease with fibrosis and cirrhosis of liver
K71.8 Toxic liver disease with other disorders of liver
Toxic liver disease with focal nodular hyperplasia
Toxic liver disease with hepatic granulomas
Toxic liver disease with peliosis hepatis
Toxic liver disease with veno-occlusive disease of liver
K71.9 Toxic liver disease, unspecified

K72 Hepatic failure, not elsewhere classified[edit]

Includes: acute hepatitis NEC, with hepatic failure
fulminant hepatitis NEC, with hepatic failure
hepatic encephalopathy NOS
liver (cell) necrosis with hepatic failure
malignant hepatitis NEC, with hepatic failure
yellow liver atrophy or dystrophy
Excludes1: alcoholic hepatic failure (K70.4)
hepatic failure complicating abortion or ectopic or molar pregnancy (O00-O07, O08.8)
hepatic failure complicating pregnancy, childbirth and the puerperium (O26.6)
hepatic failure with toxic liver disease (K71.1-)
icterus of newborn (P55-P59)
postprocedural hepatic failure (K91.81)
viral hepatitis with hepatic coma (B15-B19)
K72.0 Acute and subacute hepatic failure
K72.00 Acute and subacute hepatic failure without coma
K72.01 Acute and subacute hepatic failure with coma
K72.1 Chronic hepatic failure
K72.10 Chronic hepatic failure without coma
K72.11 Chronic hepatic failure with coma
K72.9 Hepatic failure, unspecified
K72.90 Hepatic failure, unspecified without coma
K72.91 Hepatic failure, unspecified with coma
Hepatic coma NOS

K73 Chronic hepatitis, not elsewhere classified[edit]

Excludes1: alcoholic hepatitis (chronic) (K70.1-)
drug-induced hepatitis (chronic) (K71.-)
granulomatous hepatitis (chronic) NEC (K75.3)
reactive, nonspecific hepatitis (chronic) (K75.2)
viral hepatitis (chronic) (B15-B19)
K73.0 Chronic persistent hepatitis, not elsewhere classified
K73.1 Chronic lobular hepatitis, not elsewhere classified
K73.2 Chronic active hepatitis, not elsewhere classified
Lupoid hepatitis NEC
K73.8 Other chronic hepatitis, not elsewhere classified
K73.9 Chronic hepatitis, unspecified

K74 Fibrosis and cirrhosis of liver[edit]

Code also, if applicable, viral hepatitis (acute) (chronic) (B15-B19)
Excludes1: alcoholic cirrhosis (of liver) (K70.3)
alcoholic fibrosis of liver (K70.2)
cardiac sclerosis of liver (K76.1)
cirrhosis (of liver) with toxic liver disease (K71.7)
congenital cirrhosis (of liver) (P78.81)
K74.0 Hepatic fibrosis
K74.1 Hepatic sclerosis
K74.2 Hepatic fibrosis with hepatic sclerosis
K74.3 Primary biliary cirrhosis
Chronic nonsuppurative destructive cholangitis
K74.4 Secondary biliary cirrhosis
K74.5 Biliary cirrhosis, unspecified
K74.6 Other and unspecified cirrhosis of liver
K74.60 Unspecified cirrhosis of liver
Cirrhosis (of liver) NOS
K74.69 Other cirrhosis of liver
Cryptogenic cirrhosis (of liver)
Macronodular cirrhosis (of liver)
Micronodular cirrhosis (of liver)
Mixed type cirrhosis (of liver)
Portal cirrhosis (of liver)
Postnecrotic cirrhosis (of liver)

K75 Other inflammatory liver diseases[edit]

Excludes2: toxic liver disease (K71.-)
K75.0 Abscess of liver
Cholangitic hepatic abscess
Hematogenic hepatic abscess
Hepatic abscess NOS
Lymphogenic hepatic abscess
Pylephlebitic hepatic abscess
Excludes1: amebic liver abscess (A06.4)
cholangitis without liver abscess (K83.0)
pylephlebitis without liver abscess (K75.1)
K75.1 Phlebitis of portal vein
Pylephlebitis
Excludes1: pylephlebitic liver abscess (K75.0)
K75.2 Nonspecific reactive hepatitis
Excludes1: acute or subacute hepatitis (K72.0-)
chronic hepatitis NEC (K73.-)
viral hepatitis (B15-B19)
K75.3 Granulomatous hepatitis, not elsewhere classified
Excludes1: acute or subacute hepatitis (K72.0-)
chronic hepatitis NEC (K73.-)
viral hepatitis (B15-B19)
K75.4 Autoimmune hepatitis
K75.8 Other specified inflammatory liver diseases
K75.81 Nonalcoholic steatohepatitis (NASH)
K75.89 Other specified inflammatory liver diseases
K75.9 Inflammatory liver disease, unspecified
Hepatitis NOS
Excludes1: acute or subacute hepatitis (K72.0-)
chronic hepatitis NEC (K73.-)
viral hepatitis (B15-B19)

K76 Other diseases of liver[edit]

Excludes2: alcoholic liver disease (K70.-)
amyloid degeneration of liver (E85.-)
cystic disease of liver (congenital) (Q44.6)
hepatic vein thrombosis (I82.0)
hepatomegaly NOS (R16.0)
portal vein thrombosis (I81)
toxic liver disease (K71.-)
K76.0 Fatty (change of) liver, not elsewhere classified
Nonalcoholic fatty liver disease (NAFLD)
Excludes1: nonalcoholic steatohepatitis (NASH) (K75.81)
K76.1 Chronic passive congestion of liver
Cardiac cirrhosis
Cardiac sclerosis
K76.2 Central hemorrhagic necrosis of liver
Excludes1: liver necrosis with hepatic failure (K72.-)
K76.3 Infarction of liver
K76.4 Peliosis hepatis
Hepatic angiomatosis
K76.5 Hepatic veno-occlusive disease
Excludes1: Budd-Chiari syndrome (I82.0)
K76.6 Portal hypertension
K76.7 Hepatorenal syndrome
Excludes1: hepatorenal syndrome following labor and delivery (O90.4)
postprocedural hepatorenal syndrome (K91.82)
K76.8 Other specified diseases of liver
Cyst (simple) of liver
Focal nodular hyperplasia of liver
Hepatoptosis
K76.9 Liver disease, unspecified

K77 Liver disorders in diseases classified elsewhere[edit]

Code first underlying disease, such as:
amyloidosis (E85.-)
congenital syphilis (A50.0, A50.5)
congenital toxoplasmosis (P37.1)
schistosomiasis (B65.0-B65.9)
Excludes1: alcoholic hepatitis (K70.1-)
alcoholic liver disease (K70.-)
cytomegaloviral hepatitis (B25.1)
herpesviral [herpes simplex] hepatitis (B00.81)
infectious mononucleosis with liver disease (B27.0-B27.9 with .9)
mumps hepatitis (B26.81)
sarcoidosis with liver disease (D86.89)
secondary syphilis with liver disease (A51.45)
syphilis (late) with liver disease (A52.74)
toxoplasmosis (acquired) hepatitis (B58.1)
tuberculosis with liver disease (A18.83)

Disorders of gallbladder, biliary tract and pancreas (K80-K87)[edit]

K80 Cholelithiasis[edit]

K80.0 Calculus of gallbladder with acute cholecystitis
Any condition listed in K80.2 with acute cholecystitis
K80.00 Calculus of gallbladder with acute cholecystitis without obstruction
K80.01 Calculus of gallbladder with acute cholecystitis with obstruction
K80.1 Calculus of gallbladder with other cholecystitis
K80.10 Calculus of gallbladder with chronic cholecystitis without obstruction
Cholelithiasis with cholecystitis NOS
K80.11 Calculus of gallbladder with chronic cholecystitis with obstruction
K80.12 Calculus of gallbladder with acute and chronic cholecystitis without obstruction
K80.13 Calculus of gallbladder with acute and chronic cholecystitis with obstruction
K80.18 Calculus of gallbladder with other cholecystitis without obstruction
K80.19 Calculus of gallbladder with other cholecystitis with obstruction
K80.2 Calculus of gallbladder without cholecystitis
Cholecystolithiasis without cholecystitis
Cholelithiasis (without cholecystitis)
Colic (recurrent) of gallbladder (without cholecystitis)
Gallstone (impacted) of cystic duct (without cholecystitis)
Gallstone (impacted) of gallbladder (without cholecystitis)
K80.20 Calculus of gallbladder without cholecystitis without obstruction
K80.21 Calculus of gallbladder without cholecystitis with obstruction
K80.3 Calculus of bile duct with cholangitis
Any condition listed in K80.5 with cholangitis
K80.30 Calculus of bile duct with cholangitis, unspecified, without obstruction
K80.31 Calculus of bile duct with cholangitis, unspecified, with obstruction
K80.32 Calculus of bile duct with acute cholangitis without obstruction
K80.33 Calculus of bile duct with acute cholangitis with obstruction
K80.34 Calculus of bile duct with chronic cholangitis without obstruction
K80.35 Calculus of bile duct with chronic cholangitis with obstruction
K80.36 Calculus of bile duct with acute and chronic cholangitis without obstruction
K80.37 Calculus of bile duct with acute and chronic cholangitis with obstruction
K80.4 Calculus of bile duct with cholecystitis
Any condition listed in K80.5 with cholecystitis (with cholangitis)
K80.40 Calculus of bile duct with cholecystitis, unspecified, without obstruction
K80.41 Calculus of bile duct with cholecystitis, unspecified, with obstruction
K80.42 Calculus of bile duct with acute cholecystitis without obstruction
K80.43 Calculus of bile duct with acute cholecystitis with obstruction
K80.44 Calculus of bile duct with chronic cholecystitis without obstruction
K80.45 Calculus of bile duct with chronic cholecystitis with obstruction
K80.46 Calculus of bile duct with acute and chronic cholecystitis without obstruction
K80.47 Calculus of bile duct with acute and chronic cholecystitis with obstruction
K80.5 Calculus of bile duct without cholangitis or cholecystitis
Choledocholithiasis (without cholangitis or cholecystitis)
Gallstone (impacted) of bile duct NOS (without cholangitis or cholecystitis)
Gallstone (impacted) of common duct (without cholangitis or cholecystitis)
Gallstone (impacted) of hepatic duct (without cholangitis or cholecystitis)
Hepatic cholelithiasis (without cholangitis or cholecystitis)
Hepatic colic (recurrent) (without cholangitis or cholecystitis)
K80.50 Calculus of bile duct without cholangitis or cholecystitis without obstruction
K80.51 Calculus of bile duct without cholangitis or cholecystitis with obstruction
K80.6 Calculus of gallbladder and bile duct with cholecystitis
K80.60 Calculus of gallbladder and bile duct with cholecystitis, unspecified, without obstruction
K80.61 Calculus of gallbladder and bile duct with cholecystitis, unspecified, with obstruction
K80.62 Calculus of gallbladder and bile duct with acute cholecystitis without obstruction
K80.63 Calculus of gallbladder and bile duct with acute cholecystitis with obstruction
K80.64 Calculus of gallbladder and bile duct with chronic cholecystitis without obstruction
K80.65 Calculus of gallbladder and bile duct with chronic cholecystitis with obstruction
K80.66 Calculus of gallbladder and bile duct with acute and chronic cholecystitis without obstruction
K80.67 Calculus of gallbladder and bile duct with acute and chronic cholecystitis with obstruction
K80.7 Calculus of gallbladder and bile duct without cholecystitis
K80.70 Calculus of gallbladder and bile duct without cholecystitis without obstruction
K80.71 Calculus of gallbladder and bile duct without cholecystitis with obstruction
K80.8 Other cholelithiasis
K80.80 Other cholelithiasis without obstruction
K80.81 Other cholelithiasis with obstruction

K81 Cholecystitis[edit]

Excludes1: cholecystitis with cholelithiasis (K80.-)
K81.0 Acute cholecystitis
Abscess of gallbladder
Angiocholecystitis
Emphysematous (acute) cholecystitis
Empyema of gallbladder
Gangrene of gallbladder
Gangrenous cholecystitis
Suppurative cholecystitis
K81.1 Chronic cholecystitis
K81.2 Acute cholecystitis with chronic cholecystitis
K81.9 Cholecystitis, unspecified

K82 Other diseases of gallbladder[edit]

Excludes1: nonvisualization of gallbladder (R93.2)
postcholecystectomy syndrome (K91.5)
K82.0 Obstruction of gallbladder
Occlusion of cystic duct or gallbladder without cholelithiasis
Stenosis of cystic duct or gallbladder without cholelithiasis
Stricture of cystic duct or gallbladder without cholelithiasis
Excludes1: obstruction of gallbladder with cholelithiasis (K80.-)
K82.1 Hydrops of gallbladder
Mucocele of gallbladder
K82.2 Perforation of gallbladder
Rupture of cystic duct or gallbladder
K82.3 Fistula of gallbladder
Cholecystocolic fistula
Cholecystoduodenal fistula
K82.4 Cholesterolosis of gallbladder
Strawberry gallbladder
Excludes1: cholesterolosis of gallbladder with cholecystitis (K81.-)
cholesterolosis of gallbladder with cholelithiasis (K80.-)
K82.8 Other specified diseases of gallbladder
Adhesions of cystic duct or gallbladder
Atrophy of cystic duct or gallbladder
Cyst of cystic duct or gallbladder
Dyskinesia of cystic duct or gallbladder
Hypertrophy of cystic duct or gallbladder
Nonfunctioning of cystic duct or gallbladder
Ulcer of cystic duct or gallbladder
K82.9 Disease of gallbladder, unspecified

K83 Other diseases of biliary tract[edit]

Excludes1: postcholecystectomy syndrome (K91.5)
Excludes2: conditions involving the gallbladder (K81-K82)
conditions involving the cystic duct (K81-K82)
K83.0 Cholangitis
Ascending cholangitis
Cholangitis NOS
Primary cholangitis
Recurrent cholangitis
Sclerosing cholangitis
Secondary cholangitis
Stenosing cholangitis
Suppurative cholangitis
Excludes1: cholangitic liver abscess (K75.0)
cholangitis with choledocholithiasis (K80.3-, K80.4-)
chronic nonsuppurative destructive cholangitis (K74.3)
K83.1 Obstruction of bile duct
Occlusion of bile duct without cholelithiasis
Stenosis of bile duct without cholelithiasis
Stricture of bile duct without cholelithiasis
Excludes1: congenital obstruction of bile duct (Q44.3)
obstruction of bile duct with cholelithiasis (K80.-)
K83.2 Perforation of bile duct
Rupture of bile duct
K83.3 Fistula of bile duct
Choledochoduodenal fistula
K83.4 Spasm of sphincter of Oddi
K83.5 Biliary cyst
K83.8 Other specified diseases of biliary tract
Adhesions of biliary tract
Atrophy of biliary tract
Hypertrophy of biliary tract
Ulcer of biliary tract
K83.9 Disease of biliary tract, unspecified

K85 Acute pancreatitis[edit]

Abscess of pancreas
Acute necrosis of pancreas
Acute (recurrent) pancreatitis
Gangrene of (gangrenous) pancreas
Hemorrhagic pancreatitis
Infective necrosis of pancreas
Subacute pancreatitis
Suppurative pancreatitis
K85.0 Idiopathic acute pancreatitis
K85.1 Biliary acute pancreatitis
Gallstone pancreatitis
K85.2 Alcohol induced acute pancreatitis
Excludes2: alcohol induced chronic pancreatitis (K86.0)
K85.3 Drug induced acute pancreatitis
Use additional code to identify:
drug abuse and dependence (F11.-- F17.-)
K85.8 Other acute pancreatitis
K85.9 Acute pancreatitis, unspecified
Pancreatitis NOS

K86 Other diseases of pancreas[edit]

Excludes2: fibrocystic disease of pancreas (E84.-)
islet cell tumor (of pancreas) (D13.7)
pancreatic steatorrhea (K90.3)
K86.0 Alcohol-induced chronic pancreatitis
Use additional code to identify:
alcohol abuse and dependence (F10.-)
Excludes2: alcohol induced acute pancreatitis (K85.2)
K86.1 Other chronic pancreatitis
Chronic pancreatitis NOS
Infectious chronic pancreatitis
Recurrent chronic pancreatitis
Relapsing chronic pancreatitis
K86.2 Cyst of pancreas
K86.3 Pseudocyst of pancreas
K86.8 Other specified diseases of pancreas
Aseptic pancreatic necrosis
Atrophy of pancreas
Calculus of pancreas
Cirrhosis of pancreas
Fibrosis of pancreas
Pancreatic fat necrosis
Pancreatic infantilism
Pancreatic necrosis NOS
K86.9 Disease of pancreas, unspecified

K87 Disorders of gallbladder, biliary tract and pancreas in diseases classified elsewhere[edit]

Code first underlying disease
Excludes1: cytomegaloviral pancreatitis(B25.2)
mumps pancreatitis (B26.3)
syphilitic gallbladder (A52.74)
syphilitic pancreas (A52.74)
tuberculosis of gallbladder (A18.83)
tuberculosis of pancreas (A18.83)

Other diseases of the digestive system (K90-K94)[edit]

K90 Intestinal malabsorption[edit]

Excludes1: intestinal malabsorption following gastrointestinal surgery (K91.2)
K90.0 Celiac disease
Gluten-sensitive enteropathy
Idiopathic steatorrhea
Nontropical sprue
K90.1 Tropical sprue
Sprue NOS
Tropical steatorrhea
K90.2 Blind loop syndrome, not elsewhere classified
Blind loop syndrome NOS
Excludes1: congenital blind loop syndrome (Q43.8)
postsurgical blind loop syndrome (K91.2)
K90.3 Pancreatic steatorrhea
K90.4 Malabsorption due to intolerance, not elsewhere classified
Malabsorption due to intolerance to carbohydrate
Malabsorption due to intolerance to fat
Malabsorption due to intolerance to protein
Malabsorption due to intolerance to starch
Excludes2: gluten-sensitive enteropathy (K90.0)
lactose intolerance (E73.-)
K90.8 Other intestinal malabsorption
K90.81 Whipple's disease
K90.89 Other intestinal malabsorption
K90.9 Intestinal malabsorption, unspecified

K91 Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classified[edit]

Excludes2: complications of artificial opening of digestive system (K94.-)
gastrojejunal ulcer (K28.-)
postprocedural (radiation) retroperitoneal abscess (K68.11)
radiation colitis (K52.0)
radiation gastroenteritis (K52.0)
radiation proctitis (K62.7)
K91.0 Vomiting following gastrointestinal surgery
K91.1 Postgastric surgery syndromes
Dumping syndrome
Postgastrectomy syndrome
Postvagotomy syndrome
K91.2 Postsurgical malabsorption, not elsewhere classified
Postsurgical blind loop syndrome
Excludes1: malabsorption osteomalacia in adults (M83.2)
malabsorption osteoporosis, postsurgical (M81.3)
K91.3 Postprocedural intestinal obstruction
K91.5 Postcholecystectomy syndrome
K91.6 Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a procedure
Excludes1: intraoperative hemorrhage and hematoma of a digestive system organ or structure due to accidental puncture and laceration during a procedure (K91.7-)
K91.61 Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating a digestive sytem procedure
K91.62 Intraoperative hemorrhage and hematoma of a digestive system organ or structure complicating other procedure
K91.7 Accidental puncture and laceration of a digestive system organ or structure during a procedure
K91.71 Accidental puncture and laceration of a digestive system organ or structure during a digestive system procedure
K91.72 Accidental puncture and laceration of a digestive system organ or structure during other procedure
K91.8 Other intraoperative and postprocedural complications and disorders of digestive system
K91.81 Other intraoperative complications of digestive system
K91.82 Postprocedural hepatic failure
K91.83 Postprocedural hepatorenal syndrome
K91.84 Postprocedural hemorrhage and hematoma of a digestive system organ or structure following a procedure
K91.840 Postprocedural hemorrhage and hematoma of a digestive system organ or structure following a digestive system procedure
K91.841 Postprocedural hemorrhage and hematoma of a digestive system organ or structure following other procedure
K91.85 Complications of intestinal pouch
K91.850 Pouchitis
Inflammation of internal ileoanal pouch
K91.858 Other complications of intestinal pouch
K91.89 Other postprocedural complications and disorders of digestive system
Use additional code, if applicable, to further specify disorder
Excludes2: postprocedural retroperitoneal abscess (K68.11)

K92 Other diseases of digestive system[edit]

Excludes1: neonatal gastrointestinal hemorrhage (P54.0-P54.3)
K92.0 Hematemesis
K92.1 Melena
Excludes1: occult blood in feces (R19.5)
K92.2 Gastrointestinal hemorrhage, unspecified
Gastric hemorrhage NOS
Intestinal hemorrhage NOS
Excludes1: acute hemorrhagic gastritis (K29.01)
hemorrhage of anus and rectum (K62.5)
angiodysplasia of stomach with hemorrhage (K31.811)
diverticular disease with hemorrhage (K57.-)
gastritis and duodenitis with hemorrhage (K29.-)
peptic ulcer with hemorrhage (K25-K28)
K92.8 Other specified diseases of the digestive system
K92.81 Gastrointestinal mucositis (ulcerative)
Code also type of associated therapy, such as:
antineoplastic and immunosuppressive drugs (T45.1x-)
radiological procedure and radiotherapy (Y84.2)
Excludes2: mucositis (ulcerative) of vagina and vulva (N76.81)
nasal mucositis (ulcerative) (J34.81)
oral mucositis (ulcerative) (K12.3-)
K92.89 Other specified diseases of the digestive system
K92.9 Disease of digestive system, unspecified

K94 Complications of artificial openings of the digestive system[edit]

K94.0 Colostomy complications
K94.00 Colostomy complication, unspecified
K94.01 Colostomy hemorrhage
K94.02 Colostomy infection
Use additional code to specify type of infection, such as:
cellulitis of abdominal wall (L03.32)
sepsis (A40.-, A41.-)
K94.03 Colostomy malfunction
Mechanical complication of colostomy
K94.09 Other complications of colostomy
K94.1 Enterostomy complications
K94.10 Enterostomy complication, unspecified
K94.11 Enterostomy hemorrhage
K94.12 Enterostomy infection
Use additional code to specify type of infection, such as:
cellulitis of abdominal wall (L03.32)
sepsis (A40.-, A41.-)
K94.13 Enterostomy malfunction
Mechanical complication of enterostomy
K94.19 Other complications of enterostomy
K94.2 Gastrostomy complications
K94.20 Gastrostomy complication, unspecified
K94.21 Gastrostomy hemorrhage
K94.22 Gastrostomy infection
Use additional code to specify type of infection, such as:
cellulitis of abdominal wall (L03.32)
sepsis (A40.-, A41.-)
K94.23 Gastrostomy malfunction
Mechanical complication of gastrostomy
K94.29 Other complications of gastrostomy
K94.3 Esophagostomy complications
K94.30 Esophagostomy complications, unspecified
K94.31 Esophagostomy hemorrhage
K94.32 Esophagostomy infection
Use additional code to identify the infection
K94.33 Esophagostomy malfunction
Mechanical complication of esophagostomy
K94.39 Other complications of esophagostomy