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Abnormal findings in cerebrospinal fluid==

R83.0 Abnormal level of enzymes in cerebrospinal fluid

R83.1 Abnormal level of hormones in cerebrospinal fluid

R83.2 Abnormal level of other drugs, medicaments and biological substances in cerebrospinal fluid

R83.3 Abnormal level of substances chiefly nonmedicinal as to source in cerebrospinal fluid

R83.4 Abnormal immunological findings in cerebrospinal fluid

R83.5 Abnormal microbiological findings in cerebrospinal fluid

Positive culture findings in cerebrospinal fluid

Excludes1: colonization status (Z22.-)

R83.6 Abnormal cytological findings in cerebrospinal fluid

R83.8 Other abnormal findings in cerebrospinal fluid

Abnormal chromosomal findings in cerebrospinal fluid

R83.9 Unspecified abnormal finding in cerebrospinal fluid

R84 Abnormal findings in specimens from respiratory organs and thorax

Includes: abnormal findings in bronchial washings

abnormal findings in nasal secretions

abnormal findings in pleural fluid

abnormal findings in sputum

abnormal findings in throat scrapings

Excludes1: blood-stained sputum (R04.2)

R84.0 Abnormal level of enzymes in specimens from respiratory organs and thorax

R84.1 Abnormal level of hormones in specimens from respiratory organs and thorax

R84.2 Abnormal level of other drugs, medicaments and biological substances in specimens from respiratory organs and thorax

R84.3 Abnormal level of substances chiefly nonmedicinal as to source in specimens from respiratory organs and thorax

R84.4 Abnormal immunological findings in specimens from respiratory organs and thorax

R84.5 Abnormal microbiological findings in specimens from respiratory organs and thorax

Positive culture findings in specimens from respiratory organs and thorax

Excludes1: colonization status (Z22.-)

R84.6 Abnormal cytological findings in specimens from respiratory organs and thorax

R84.7 Abnormal histological findings in specimens from respiratory organs and thorax

R84.8 Other abnormal findings in specimens from respiratory organs and thorax

Abnormal chromosomal findings in specimens from respiratory organs and thorax

R84.