F50.2 (Bulimia nervosa) compared with R63.3 (Feeding difficulties), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Not coded here — these two are mutually exclusive.
“bulimia NOS (F50.2-)”
An Excludes1 note means the two conditions cannot occur together, so the pair should not be reported for the same encounter. The sole exception is when the conditions are documented as unrelated to each other.
Source: CMS ICD-10-CM tabular instructional notes; ICD-10-CM Official Guidelines, Section I.A.12.a
Distinct conditions — both may be reported.
“feeding difficulties (R63.3-)”
An Excludes2 note means the excluded condition is not part of the code above it, but a patient can have both. Report both when both are documented.
Source: CMS ICD-10-CM tabular instructional notes
Yes, when both are documented. F50.2 carries an Excludes2 note covering R63.3: “feeding difficulties (R63.3-)”
Excludes2 marks distinct conditions — both may be reported when both are documented.
No — do not report together. R63.3 carries an Excludes1 note covering F50.2: “bulimia NOS (F50.2-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
| F50.2Bulimia nervosa | R63.3Feeding difficulties | |
|---|---|---|
| Billing status | Non-billable header | Non-billable header |
| 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 | Bulimia nervosa is a non-billable ICD-10-CM category code (F50.2). | Feeding difficulties is a non-billable ICD-10-CM category code (R63.3). |
| Includes | Bulimia NOS Hyperorexia nervosa | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources