CPT 90853 + ICD-10 F31.9: Bipolar disorder, unspecified
Group psychotherapy billed with Bipolar disorder, unspecified — documentation requirements, denial reasons, modifiers, and reimbursement context.
Compatibility Notes
Group therapy for bipolar disorder (psychoeducation groups, interpersonal and social rhythm therapy groups) is evidence-based. Per-participant billing required. Bipolar-specific group programs often include psychoeducation and relapse prevention. Refine to a specific bipolar code per participant when subtype is established.
Documentation Required
- ✓Per-participant attendance and bipolar diagnosis
- ✓Current mood state per participant
- ✓Group psychoeducation or IPSRT content documented
- ✓Safety screen per participant
- ✓Medication adherence noted per patient
Common Denial Reasons
- ✗Group billed as single claim
- ✗Chronic use of unspecified bipolar code per participant without refinement
- ✗No evidence-based bipolar group modality documented
Applicable Modifiers
Reimbursement Notes
OON UCR $50–$90 per participant. Bipolar group therapy is covered under mental health parity when clinical modality is documented.
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