R83 Abnormal findings in cerebrospinal fluid
ICD-10-CM category R83 sits in Chapter 18 (Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified, R00-R99). It contains 9 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Billable codes in R83
| Code | Description |
|---|---|
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 |
R83.6 | Abnormal cytological findings in cerebrospinal fluid |
R83.8 | Other abnormal findings in cerebrospinal fluid |
R83.9 | Unspecified abnormal finding in cerebrospinal fluid |
Search within ICD-10-CM for R83 and related codes
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