F50.0

Non-billable

Anorexia nervosa

F50.0 is the ICD-10-CM code for Anorexia nervosa. It is a non-billable category code — use a more specific child code such as F50.00 for billing.

Status
Header (non-billable)
Chapter
F01-F99
Parent
F50
Subcodes
3
Edition
FY2026

F01-F99 Mental, Behavioral and Neurodevelopmental disorders

A disorder characterized by deliberate weight loss, induced and sustained by the patient. It occurs most commonly in adolescent girls and young women, but adolescent boys and young men may also be affected, as may children approaching puberty and older women up to the menopause. The disorder is associated with a specific psychopathology whereby a dread of fatness and flabbiness of body contour persists as an intrusive overvalued idea, and the patients impose a low weight threshold on themselves. There is usually undernutrition of varying severity with secondary endocrine and metabolic changes and disturbances of bodily function. The symptoms include restricted dietary choice, excessive exercise, induced vomiting and purgation, and use of appetite suppressants and diuretics.

What this means — in plain language

MedlinePlus · NIH

What are eating disorders? Eating disorders are serious mental health disorders. They involve severe problems with your thoughts about food and your eating behaviors. You may eat much less or much more than you need. Eating disorders are medical conditions; they are not a lifestyle choice. They affect your body's ability to get proper nutrition. This can lead to health issues, such as heart and kidney problems, or…

Read more about Eating Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

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

Frequently asked questions

What is ICD-10 code F50.0?
F50.0 is the ICD-10-CM code for "Anorexia nervosa". It falls under F01-F99 Mental, Behavioral and Neurodevelopmental disorders.
Is F50.0 a billable code?
No — F50.0 is a non-billable header code. Use a more specific child code (such as F50.00) for billing.
What are the subcodes of F50.0?
F50.0 has 3 more specific child codes, including F50.00, F50.01, F50.02.
What is excluded from F50.0?
Excludes1 (not coded here): loss of appetite (R63.0); psychogenic loss of appetite (F50.89).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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