ICD-10 Code for Fatigue
The ICD-10-CM code for fatigue is R53.83 — Other fatigue. This is the code the Alphabetic Index gives for fatigue with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
Billable
Which fatigue code should you use?
The Alphabetic Index lists 9 codes under Fatigue. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| chronic | R53.82 | Chronic fatigue, unspecified | |
| combat | F43.0 | Acute stress reaction | |
| general | R53.83 | Other fatigue | |
| heat | T67.6 | Heat fatigue, transient | not billable |
| muscle | M62.89 | Other specified disorders of muscle | |
| neoplasm-related | R53.0 | Neoplastic (malignant) related fatigue | |
| nervous, neurosis | F48.8 | Other specified nonpsychotic mental disorders | |
| operational | F48.8 | Other specified nonpsychotic mental disorders | |
| psychogenic | F48.8 | Other specified nonpsychotic mental disorders | |
| senile | R54 | Age-related physical debility | |
| voice | R49.8 | Other voice and resonance disorders |
Fatigue general
| psychogenic | F48.8 | Other specified nonpsychotic mental disorders |
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources