Coding and coverage · ICD-10-CM

F50 › F50.0

F50.01 Anorexia nervosa, restricting type

Not billable (header)Chapter 5

Report one of the more specific codes below.

Check coverage with this diagnosis

Codes under this one

  • F50.010 Anorexia nervosa, restricting type, mild
  • F50.011 Anorexia nervosa, restricting type, moderate
  • F50.012 Anorexia nervosa, restricting type, severe
  • F50.013 Anorexia nervosa, restricting type, extreme
  • F50.014 Anorexia nervosa, restricting type, in remission
  • F50.019 Anorexia nervosa, restricting type, unspecified

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-)

F50.0

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • loss of appetite (R63.0)
  • psychogenic loss of appetite (F50.89)

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.