CPT 90832 + ICD-10 F41.1: Generalized Anxiety Disorder
Psychotherapy, 30 minutes billed with Generalized Anxiety Disorder — documentation requirements, denial reasons, modifiers, and reimbursement context.
CPT Code
90832
Psychotherapy, 30 minutes
ICD-10 Code
F41.1
Generalized Anxiety Disorder
Common Modifiers
Compatibility Notes
Used for brief check-in sessions with GAD patients in the maintenance phase or during high-frequency initial treatment schedules. Session time must fall within 16–37 minutes. Most payers accept this combination but may question medical necessity if 30-minute GAD sessions are billed long-term without a step-up to 90834.
Documentation Required
- ✓Session start and stop times confirming 16–37 minutes
- ✓GAD diagnosis with current symptom status
- ✓Clinical rationale for shorter session format
- ✓GAD-7 or equivalent tracking
Common Denial Reasons
- ✗Session time outside 16–37 minute range
- ✗No documented rationale for 30-minute vs 45-minute format
- ✗Diagnosis coded as F41.9 when F41.1 criteria are met
Applicable Modifiers
Reimbursement Notes
OON UCR $75–$125. Low reimbursement ROI — extend to 38+ minutes and bill 90834 when clinically appropriate.
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