ICD-10-CM · Chapter 18 · R00–R99
R83
Abnormal findings in cerebrospinal fluid
Symptoms, signs and abnormal clinical and laboratory findings
Heads up:this is a parent code. It's typically not directly billable — you need to drill down to a more specific child code (one with additional digits) to use on a claim.
Quick facts
- Code
- R83
- Type
- Category / header (non-billable)
- ICD-10-CM chapter
- Chapter 18 — Symptoms, signs and abnormal clinical and laboratory findings
- Category
- R83
- Specificity
- 3 characters
How coders use this code
ICD-10-CM R83 is a category (header) for abnormal findings in cerebrospinal fluid. It is generally not reported directly on a claim — coders drill down to a more specific child code (one with additional characters) that matches the documentation. Use the related codes below to find the billable code that fits, and verify against the annual NCHS/CMS guidelines.
Related codes in R83
- 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
- R83.4Abnormal immunological findings 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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