`F50.010` Anorexia nervosa, restricting type, mild

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

Anorexia nervosa, restricting type, with a body mass index greater than or equal to 17 kg/m2

Applies from F50 Eating disorders

Excludes1 (never code together)

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

Excludes2 (not included here)

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

Applies from F50.0 Anorexia nervosa

Excludes1 (never code together)

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

Risk adjustment (HCC)

CMS-HCC V28: HCC 153 — Personality Disorders; Anorexia/Bulimia Nervosa
RxHCC V08: HCC 133 — Anxiety and Other Psychiatric Disorders

MS-DRG index

Defines the logic of DRG(s) 883 in MDC 19.

Code annotations containing back-references to F50.010

Back-references to F50.0

Code First: K31.84 Gastroparesis ("anorexia nervosa (F50.0-)")
Type 1 Excludes: R63.0 Anorexia ("anorexia nervosa (F50.0-)")
Type 1 Excludes: R63.6 Underweight ("anorexia nervosa (F50.0-)")

Back-references to F50

Type 2 Excludes: F98.2 Other feeding disorders of infancy and childhood ("anorexia nervosa and other eating disorders (F50.-)")
Type 1 Excludes: P92 Feeding problems of newborn ("eating disorders (F50.-)")
Type 2 Excludes: R63.3 Feeding difficulties ("eating disorders (F50.-)")
Type 1 Excludes: Z72.4 Inappropriate diet and eating habits ("eating disorders (F50.-)")

Nearby codes

F50 Eating disorders
F50.0 Anorexia nervosa
F50.00 Anorexia nervosa, unspecified
F50.01 Anorexia nervosa, restricting type
F50.010 Anorexia nervosa, restricting type, mild (this code)
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