ICD-10-CM 2027
ICD-10 code for mountain fever
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) › mountain”. Page updated September 29, 2026.
About coding mountain fever
The official ICD-10-CM index doesn't give a single default code for mountain fever; the code depends on the details below.
More specific mountain fever codes (official index)
Common questions about mountain fever ICD-10 codes
What is the ICD-10 code for tick mountain fever?
- A93.2 — Colorado tick fever.