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.
Check F50.21 with the rest of the claim: free scrubberInclusion 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
Excludes1 inherited from the categories above F50.21
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above F50.21
Not part of this code, but both may be coded when both are present.
Other codes that can never be billed with F50.21
Their own Excludes1 notes name this code, so the conflict is not listed above.
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. Look up the whole chart to see which of its HCCs the hierarchy would zero.
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 one applies depends on your Medicare contractor.
- 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
Code history
- addedFY2024-FY2027
Bulimia nervosa, mild