R50 Fever of other and unknown origin
Non-billable header
ICD10CM
Release FY2026
Version history
| Release | Valid from | Valid to | Description | Billable |
|---|
| FY2026 | 2025-10-01 | current | Fever of other and unknown origin | no |
Related codes in R50
- R50.2 Drug induced fever
- R50.8 Other specified fever
- R50.81 Fever presenting with conditions classified elsewhere
- R50.82 Postprocedural fever
- R50.83 Postvaccination fever
- R50.84 Febrile nonhemolytic transfusion reaction
- R50.9 Fever, unspecified
All R50 codes →