CPT 90853 + ICD-10 F43.22: Adjustment disorder with anxiety
Group psychotherapy billed with Adjustment disorder with anxiety — documentation requirements, denial reasons, modifiers, and reimbursement context.
Compatibility Notes
Group therapy for anxiety-predominant adjustment disorder. Common in settings serving groups sharing similar stressors (medical diagnosis support groups, grief groups). Per-participant billing with individual stressor documentation required. Time-limited diagnosis.
Documentation Required
- ✓Per-participant stressor and diagnosis
- ✓Anxiety symptoms linked to stressor per participant
- ✓Group content and time-limited treatment plan
Common Denial Reasons
- ✗Stressor missing per participant
- ✗Duration beyond 6 months post-stressor without update
- ✗Group billed as single claim
Applicable Modifiers
Reimbursement Notes
OON UCR $50–$90 per participant. Short-term group therapy combination broadly accepted.
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