CPT 90853 + ICD-10 F43.21: Adjustment disorder with depressed mood
Group psychotherapy billed with Adjustment disorder with depressed mood — documentation requirements, denial reasons, modifiers, and reimbursement context.
CPT Code
90853
Group psychotherapy
ICD-10 Code
F43.21
Adjustment disorder with depressed mood
Common Modifiers
Compatibility Notes
Group therapy for adjustment disorder with depressed mood is appropriate in settings serving populations with common stressors — cancer support groups, grief groups, divorce adjustment groups. Per-participant billing required with individual stressor and symptom documentation.
Documentation Required
- ✓Per-participant stressor and diagnosis
- ✓Group session theme and approach
- ✓Individual progress notes with stressor status
- ✓Time-limited treatment plan per participant
Common Denial Reasons
- ✗Stressor not documented per participant
- ✗Group billed as single claim
- ✗Duration beyond 6 months post-stressor without diagnosis update
Applicable Modifiers
Reimbursement Notes
OON UCR $50–$90 per participant. Adjustment disorder groups are appropriate for focused, time-limited group programs.
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