R50 Fever of other and unknown origin
ICD-10-CM category R50 sits in Chapter 18 (Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified, R00-R99). It contains 6 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Subcategories
R50.8 Other specified fever
Billable codes in R50
| Code | Description |
|---|---|
R50.2 | Drug induced 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 |
Search within ICD-10-CM for R50 and related codes
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