F50.9 vs R13.0
F50.9 (Eating disorder, unspecified) compared with R13.0 (Aphagia), 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. R13.0 carries an Excludes1 note covering F50.9: “psychogenic aphagia (F50.9)”
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
| F50.9Eating disorder, unspecified | R13.0Aphagia | |
|---|---|---|
| Billing status | Billable | 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 | Eating disorder, unspecified is a billable ICD-10-CM diagnosis code (F50.9). | Aphagia is a billable ICD-10-CM diagnosis code (R13.0). |
| Includes | Atypical anorexia nervosa Atypical bulimia nervosa Feeding or eating disorder, unspecified Other specified feeding disorder | Inability to swallow |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources