ICD-10 Code for Cachexia
The ICD-10-CM code for cachexia is R64 — Cachexia. This is the code the Alphabetic Index gives for cachexia with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
Billable
Which cachexia code should you use?
The Alphabetic Index lists 9 codes under Cachexia. 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
| cancerous | R64 | Cachexia | |
| dehydration | E86.0 | Dehydration | |
| hypophyseal | E23.0 | Hypopituitarism | |
| hypopituitary | E23.0 | Hypopituitarism | |
| malignant | R64 | Cachexia | |
| nervous | F48.8 | Other specified nonpsychotic mental disorders | |
| old age | R54 | Age-related physical debility | |
| pituitary | E23.0 | Hypopituitarism | |
| pulmonary | R64 | Cachexia | |
| renal | N28.9 | Disorder of kidney and ureter, unspecified | |
| senile | R54 | Age-related physical debility | |
| Simmonds' | E23.0 | Hypopituitarism | |
| splenica | D73.0 | Hyposplenism | |
| strumipriva | E03.4 | Atrophy of thyroid (acquired) |
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