F50.21 — Bulimia nervosa, mild
F50.21 is a billable, specific ICD-10-CM code for bulimia nervosa, mild. It is valid for submission on a claim.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Bulimia nervosa with 1-3 episodes of inappropriate compensatory behavior per week
Risk adjustment
F50.21 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.
Medicare coverage
F50.21 is named in 13 Medicare coverage policies — 12 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
- A56614Billing and Coding: Psychiatric Inpatient Hospitalization
- A56685Billing and Coding: Partial Hospitalization Programs
- A56850Billing and Coding: Psychiatric Partial Hospitalization Programs
Related codes at this level
Codes that share F50.2. If F50.21 is not quite right, the correct code is usually one of these.
Questions about F50.21
- Is F50.21 a billable ICD-10-CM code?
- Yes. F50.21 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does F50.21 sit in the tabular list?
- Mental, Behavioral and Neurodevelopmental disorders (F01-F99), in the block Behavioral syndromes associated with physiological disturbances and physical factors (F50-F59).