R833-char group
Abnormal findings in cerebrospinal fluid
⇄ 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]
Codes within R83
R83.0Abnormal findings in cerebrospinal fluid, abnormal level of enzymesR83.1Abnormal findings in cerebrospinal fluid, abnormal level of hormonesR83.2Abnormal findings in cerebrospinal fluid, abnormal level of other drugs, medicaments and biological substancesR83.3Abnormal findings in cerebrospinal fluid, abnormal level of substances chiefly nonmedicinal as to sourceR83.4Abnormal findings in cerebrospinal fluid, abnormal immunological findingsR83.5Abnormal findings in cerebrospinal fluid, abnormal microbiological findingsR83.6Abnormal findings in cerebrospinal fluid, abnormal cytological findingsR83.7Abnormal findings in cerebrospinal fluid, abnormal histological findingsR83.8Abnormal findings in cerebrospinal fluid, other abnormal findingsR83.9Abnormal findings in cerebrospinal fluid, unspecified abnormal finding