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R63.0

Billable

Anorexia

R63.0 is the ICD-10-CM code for Anorexia. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
R00-R99
Parent
R63
Edition
FY2026

R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

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.

Includes

  • •Loss of appetite

Excludes1 — not coded here

  • •anorexia nervosa (F50.0-)
  • •loss of appetite of nonorganic origin (F50.89)

Frequently asked questions

What is ICD-10 code R63.0?
R63.0 is the ICD-10-CM code for "Anorexia". It falls under R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
Is R63.0 a billable code?
Yes — R63.0 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from R63.0?
Excludes1 (not coded here): anorexia nervosa (F50.0-); loss of appetite of nonorganic origin (F50.89).

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

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