Coding and coverage · ICD-10-CM

F50

F50.2 Bulimia nervosa

Not billable (header)Chapter 5

Report one of the more specific codes below.

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Codes under this one

  • F50.20 Bulimia nervosa, unspecified
  • F50.21 Bulimia nervosa, mild
  • F50.22 Bulimia nervosa, moderate
  • F50.23 Bulimia nervosa, severe
  • F50.24 Bulimia nervosa, extreme
  • F50.25 Bulimia nervosa, in remission

Instructional notes

Chapter 5

Excludes2Not included here: the patient may have both; report both when both are present.
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Includes
  • disorders of psychological development

F50

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
Excludes2Not included here: the patient may have both; report both when both are present.
  • feeding difficulties (R63.3-)
  • feeding disorder in infancy or childhood (F98.2-)

This code

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • anorexia nervosa, binge eating/purging type (F50.02-)
Inclusion terms
  • Bulimia NOS
  • Hyperorexia nervosa

Chapter 5: Mental, Behavioral and Neurodevelopmental disorders · F50-F59 Behavioral syndromes associated with physiological disturbances and physical factors (F50-F59)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.