ICD-10-CM 2027
ICD-10 code for drug induced fever
From the official ICD-10-CM alphabetic index entry “Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › drug induced”. Page updated September 29, 2026.
About coding drug induced fever
The ICD-10-CM code for drug induced fever is R50.2 (Drug induced fever).
Within R50 (fever of other and unknown origin), R50.2 is specifically for drug induced fever. Related codes cover other specified fever (R50.8) and fever, unspecified (R50.9).
Don't report R50.2 together with the conditions in its Excludes1 note: postvaccination (postimmunization) fever (R50.83).
Use an additional code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5).
Don't confuse with (Excludes1 for R50.2)
- postvaccination (postimmunization) fever (R50.83)
Common questions about drug induced fever ICD-10 codes
What is the ICD-10 code for drug induced fever?
- R50.2 — Drug induced fever.
Is R50.2 billable?
- Yes. R50.2 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can R50.2 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict R50.2 as a principal diagnosis.
Is R50.2 a CC or MCC?
- No. R50.2 is neither a CC nor an MCC under MS-DRG v44.0.