F50.0 vs R63.0
F50.0 (Anorexia nervosa) compared with R63.0 (Anorexia), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. F50.0 carries an Excludes1 note covering R63.0: “loss of appetite (R63.0)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. F50.0 carries an Excludes1 note covering R63.0: “anorexia NOS (R63.0)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. R63.0 carries an Excludes1 note covering F50.0: “anorexia nervosa (F50.0-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| F50.0Anorexia nervosa | R63.0Anorexia | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | F01-F99 — Mental, Behavioral and Neurodevelopmental Disorders (F01-F99) | R00-R99 — Symptoms, Signs and Abnormal Clinical and Laboratory Findings, Not Elsewhere Classified (R00-R99) |
| Definition | Anorexia nervosa is a non-billable ICD-10-CM category code (F50.0). | Anorexia is a billable ICD-10-CM diagnosis code (R63.0). |
| Includes | — | Loss of appetite |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources