2026 ICD-10-CM Diagnosis Code F50.019Anorexia nervosa, restricting type, unspecified

ICD-10-CM Codes›F01–F99›F50-F59›F50

ICD-10-CM F50.019
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

F50.019 is a billable ICD-10-CM diagnosis code for anorexia nervosa, restricting type, unspecified. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). Coders also document this condition as anorexia nervosa. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Feeding and eating disorders.

Code Identity

ICD-10-CM Code
F50.019
Billable Status
Yes — Valid for Submission
Code Describes
Anorexia nervosa, restricting type, unspecified
Short Description
Anorexia nervosa, restricting type, unspecified
Same as the full description in the CMS dataset.
Parent Code
F50.01
Anorexia nervosa, restricting type

Code Classification

ChapterF01–F99Mental and behavioural disorders
SectionF50-F59Behavioral syndromes associated with physiological disturbances and physical factors
CategoryF50Eating disorders
This CodeF50.019Anorexia nervosa, restricting type, unspecified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Anorexia nervosa
  • Anorexia nervosa, restricting type
  • Dangerously low body weight co-occurrent and due to anorexia nervosa of restricting type
  • Significantly low body weight co-occurrent and due to anorexia nervosa of restricting type

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR MBD010
Feeding and eating disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Anorexia Nervosa

    an eating disorder that is characterized by the lack or loss of appetite, known as anorexia. other features include excess fear of becoming overweight; body image disturbance; significant weight loss; refusal to maintain minimal normal weight; and amenorrhea. this disorder occurs most frequently in adolescent females. (apa, thesaurus of psychological index terms, 1994)

Code History & ChangesHistory

Replacement F50.019 replaces the following previously assigned code(s):

  • F50.01 - Anorexia nervosa, restricting type
FY 2025AddedAdded to the ICD-10-CM code setEffective October 1, 2024.
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About F50.019Overview

Is F50.019 (Anorexia nervosa, restricting type) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report anorexia nervosa, restricting type, unspecified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.