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0 Elevated blood-pressure reading, without diagnosis of hypertension
- Note: This category is to be used to record an episode of elevated blood pressure in a patient in whom no formal diagnosis of hypertension has been made, or as an isolated incidental finding.
- R03.1 Nonspecific low blood-pressure reading
- Excludes1: hypotension (I95.-)
- maternal hypotension syndrome (O26.5-)
- neurogenic orthostatic hypotension (G90.3)
- Excludes1: hypotension (I95.-)
R04 Hemorrhage from respiratory passages
- R04.0 Epistaxis
- Hemorrhage from nose
- Nosebleed
- R04.1 Hemorrhage from throat
- Excludes2: hemoptysis (R04.2)
- R04.2 Hemoptysis
- Blood-stained sputum
- Cough with hemorrhage
- R04.8 Hemorrhage from other sites in respiratory passages
- Pulmonary hemorrhage NOS
- Excludes1: perinatal pulmonary hemorrhage (P26.-)
- R04.9 Hemorrhage from respiratory passages, unspecified
R05 Cough
- Excludes1: cough with hemorrhage (R04.2)
- smoker's cough (J41.0)
R06 Abnormalities of breathing
- Excludes1: acute respiratory distress syndrome (J80)
- respiratory arrest (R09.2)
- respiratory arrest of newborn (P28.81)
- respiratory distress syndrome of newborn (P22.-)
- respiratory failure (J96.-)
- respiratory failure of newborn (P28.5)
- R06.0 Dyspnea
- Excludes1: tachypnea NOS (R06.82)
- transient tachypnea of newborn (P22.1)
- R06.00 Dyspnea NOS
- R06.01 Orthopnea
- R06.02 Shortness of breath
- R06.09 Other forms of dyspnea
- Excludes1: tachypnea NOS (R06.82)
- R06.1 Stridor
- Excludes1: congenital laryngeal stridor (P28.89)
- laryngismus (stridulus) (J38.5)
- Excludes1: congenital laryngeal stridor (P28.89)
- R06.2 Wheezing
- Excludes1: Asthma (J45.-)
- R06.
