R843-char group
Abnormal findings in specimens from respiratory organs and thorax
⇄ Primary-code rule changed vs QĐ4469
Coding rules (TT06)
- ●Avoid — more specific 4-5 char codes exist (see below)
Coding guidance (WHO 2019)
[See before R83 for subdivisions] Incl.: Abnormal findings in: bronchial washings nasal secretions pleural fluid sputum throat scrapings Excl.: blood-stained sputum (R04.2)
Codes within R84
R84.0Abnormal findings in specimens from respiratory organs and thorax, abnormal level of enzymesR84.1Abnormal findings in specimens from respiratory organs and thorax, abnormal level of hormonesR84.2Abnormal findings in specimens from respiratory organs and thorax, abnormal level of other drugs, medicaments and biological substancesR84.3Abnormal findings in specimens from respiratory organs and thorax, abnormal level of substances chiefly nonmedicinal as to sourceR84.4Abnormal findings in specimens from respiratory organs and thorax, abnormal immunological findingsR84.5Abnormal findings in specimens from respiratory organs and thorax, abnormal microbiological findingsR84.6Abnormal findings in specimens from respiratory organs and thorax, abnormal cytological findingsR84.7Abnormal findings in specimens from respiratory organs and thorax, abnormal histological findingsR84.8Abnormal findings in specimens from respiratory organs and thorax, other abnormal findingsR84.9Abnormal findings in specimens from respiratory organs and thorax, unspecified abnormal finding