CPT 90847 + ICD-10 F50.01: Anorexia nervosa, restricting type
Family psychotherapy with patient present billed with Anorexia nervosa, restricting type — documentation requirements, denial reasons, modifiers, and reimbursement context.
CPT Code
90847
Family psychotherapy with patient present
ICD-10 Code
F50.01
Anorexia nervosa, restricting type
Compatibility Notes
Family-Based Treatment (FBT) is the gold-standard treatment for adolescent anorexia nervosa. This combination is highly appropriate for FBT Phase 1 and 2 sessions where the identified patient is present with parents. Prior authorization is commonly required. Medical monitoring must be coordinated.
Documentation Required
- ✓Identified AN patient present
- ✓All participants named
- ✓FBT phase and session goals documented
- ✓Weight and medical stability monitoring referenced
- ✓Prior authorization number
Common Denial Reasons
- ✗Patient absent — Phase 3 FBT individual sessions may use different code
- ✗Missing prior authorization
- ✗Missing medical monitoring documentation
- ✗Level of care may be insufficient for current weight status
Applicable Modifiers
Reimbursement Notes
OON UCR $125–$200. FBT for adolescent AN is an evidence-based, well-recognized treatment; eating disorder parity laws in many states provide additional protections.
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