R83.5
R83.5: Abnormal microbiological findings in cerebrospinal fluid
Billable / specific codeICD-10-CM
R83.5 is a billable, specific ICD-10-CM code for abnormal microbiological findings in cerebrospinal fluid. It is valid for submission on a claim.
Check R83.5 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- colonization status (Z22.-)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Positive culture findings in cerebrospinal fluid
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
R83.5 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A57204Billing and Coding: MRI and CT Scans of the Head and Neck
Alphabetic index entries that lead here
- Abnormal, abnormality, abnormalities›cerebrospinal fluid›microbiology
- Positive›culture›cerebrospinal fluid
Code history
Unchanged in every release from FY2024 to FY2027.
Other 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
- R83.6Abnormal cytological findings in cerebrospinal fluid
- R83.8Other abnormal findings in cerebrospinal fluid
- R83.9Unspecified abnormal finding in cerebrospinal fluid