R83
Header — not billableAbnormal findings in cerebrospinal fluid
The ICD-10 code for abnormal findings in cerebrospinal fluid is R83.
R83 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 9 more specific codes below.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •This is a non-billable header code. Documentation must support a more specific child code before this diagnosis can be reported on a claim.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Child codes under 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
Related codes in this category
- R84Abnormal findings in specimens from respiratory organs and thoraxnon-billable header
- R85Abnormal findings in specimens from digestive organs and abdominal cavitynon-billable header
- R86Abnormal findings in specimens from male genital organsnon-billable header
- R87Abnormal findings in specimens from female genital organsnon-billable header
- R88Abnormal findings in other body fluids and substancesnon-billable header
- R89Abnormal findings in specimens from other organs, systems and tissuesnon-billable header
- R83Abnormal findings in cerebrospinal fluidnon-billable header