CPT 90853 + ICD-10 F40.10: Social anxiety disorder (social phobia), unspecified
Group psychotherapy billed with Social anxiety disorder (social phobia), unspecified — documentation requirements, denial reasons, modifiers, and reimbursement context.
CPT Code
90853
Group psychotherapy
ICD-10 Code
F40.10
Social anxiety disorder (social phobia), unspecified
Compatibility Notes
Group therapy is a particularly effective format for social anxiety disorder — the group setting itself is a graduated exposure environment. CBT group programs for social anxiety (Clark and Wells, CBGT) are evidence-based. Per-participant billing required. Most payers accept this combination for outpatient group therapy.
Documentation Required
- ✓Per-participant attendance and social anxiety diagnosis
- ✓LSAS or equivalent per participant
- ✓Group session exposure component documented
- ✓Individual progress notes with social anxiety symptom status
Common Denial Reasons
- ✗Group billed as single claim
- ✗Notes do not document evidence-based group format for social anxiety
- ✗Group size too large for social anxiety group (typically 4–8 participants)
Applicable Modifiers
Reimbursement Notes
OON UCR $50–$90 per participant. Social anxiety group therapy has strong evidence; document the CBT group format and exposure components explicitly.
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