CPT 90791 + ICD-10 F50.02: Anorexia nervosa, binge-eating/purging type
Psychiatric diagnostic evaluation billed with Anorexia nervosa, binge-eating/purging type — documentation requirements, denial reasons, modifiers, and reimbursement context.
CPT Code
90791
Psychiatric diagnostic evaluation
ICD-10 Code
F50.02
Anorexia nervosa, binge-eating/purging type
Compatibility Notes
Used for the initial evaluation where AN binge-eating/purging type is identified. Medical stability is especially critical given purging-related cardiac and electrolyte risks. Immediate medical referral should be documented if not already engaged. Prior authorization processes begin post-intake.
Documentation Required
- ✓Comprehensive evaluation with eating disorder and purging behavior history
- ✓AN binge-eating/purging DSM-5 criteria documented
- ✓Medical safety assessment and urgent referral if indicated
- ✓Purging frequency and methods documented
- ✓Treatment team initiation plan
Common Denial Reasons
- ✗Medical referral not initiated at intake
- ✗90791 billed more than once per year by same provider
- ✗Purging behaviors underreported in evaluation note
Applicable Modifiers
Reimbursement Notes
OON UCR $175–$350. Purging-type AN evaluations require urgent medical coordination documentation. Bill 90791 at intake and initiate prior authorization simultaneously.
Generate a superbill with CPT 90791 and ICD-10 F50.02
Superbilled makes it easy to include the correct CPT and ICD-10 codes on every superbill. Create a compliant, insurance-ready document in minutes.
Generate superbill with 90791 + F50.02 free