ICD-10-CM · Chapter 18 · R00–R99
R83.4
Abnormal immunological findings in cerebrospinal fluid
Symptoms, signs and abnormal clinical and laboratory findings
Quick facts
- Code
- R83.4
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 18 — Symptoms, signs and abnormal clinical and laboratory findings
- Category
- R83 — Abnormal findings in cerebrospinal fluid
- Specificity
- 4 characters
How coders use this code
ICD-10-CM R83.4 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of abnormal immunological findings in cerebrospinal fluid. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in R83
- R83Abnormal findings in cerebrospinal fluid
- R83.0Abnormal level of enzymes in cerebrospinal fluid
- R83.1Abnormal level of hormones in cerebrospinal fluid
- R83.2Abnormal level of other drugs, medicaments and biological substances in cerebrospinal fluid
- R83.3Abnormal level of substances chiefly nonmedicinal as to source in cerebrospinal fluid
- R83.5Abnormal microbiological findings in cerebrospinal fluid
- R83.6Abnormal cytological findings in cerebrospinal fluid
- R83.8Other abnormal findings in cerebrospinal fluid
- R83.9Unspecified abnormal finding in cerebrospinal fluid
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