ICD-10 Code for Anorexia

The ICD-10-CM code for anorexia is R63.0 — Anorexia. This is the code the Alphabetic Index gives for anorexia with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).

Billable

Which anorexia code should you use?

The Alphabetic Index lists 7 codes under Anorexia. 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

hysterical	F44.89	Other dissociative and conversion disorders
nervosa	F50.00	Anorexia nervosa, unspecified

Anorexia nervosa

atypical	F50.9	Eating disorder, unspecified
binge-eating type	F50.2	Bulimia nervosa	not billable
restricting type	F50.01	Anorexia nervosa, restricting type	not billable
binge-eating type › with purging	F50.02	Anorexia nervosa, binge eating/purging type	not billable

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