R83 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Abnormal findings in cerebrospinal fluid.
Codes
- 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 
Versions
- 2025- No changes 
- 2024- No changes 
- 2023- No changes 
- 2022- No changes 
- 2021- No changes 
- 2020- No changes 
- 2019- No changes 
- 2018- No changes 
- 2017- No changes 
- 2016- New code