MCMedicalCodingSoftware
F50.00

F50.00: Anorexia nervosa, unspecified

Billable / specific codeICD-10-CM

F50.00 is a billable, specific ICD-10-CM code for anorexia nervosa, unspecified. It is valid for submission on a claim.

Check F50.00 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above F50.00

A category’s note binds every code beneath it.

Written on F50.0: Anorexia nervosa

  • loss of appetite (R63.0)
  • psychogenic loss of appetite (F50.89)

Written on F50: Eating disorders

  • anorexia NOS (R63.0)
  • feeding problems of newborn (P92.-)
  • polyphagia (R63.2)

Excludes2 inherited from the categories above F50.00

Not part of this code, but both may be coded when both are present.

Written on F50: Eating disorders

  • feeding difficulties (R63.3-)
  • feeding disorder in infancy or childhood (F98.2-)

Other codes that can never be billed with F50.00

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • Z72.4Inappropriate diet and eating habits
  • P92Feeding problems of newborn

Risk adjustment

F50.00 risk-adjusts. Under the CMS-HCC V28 model it maps to these categories:

  • HCC 153 Personality Disorders; Anorexia/Bulimia Nervosa0.396 RAF
  • HCC 153 Personality Disorders; Anorexia/Bulimia Nervosa0.396 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

F50.00 is named in 8 Medicare coverage policies: 7 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which one applies depends on your Medicare contractor.

  • A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
  • A56937Billing and Coding: Psychiatry and Psychology Services
  • A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy
  • A57065Billing and Coding: Outpatient Psychiatry and Psychology Services

Alphabetic index entries that lead here

  • Anorexia›nervosa

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under F50.0

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.