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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.