CPT 90832 + ICD-10 F34.1: Dysthymic disorder (persistent depressive disorder)
Psychotherapy, 30 minutes billed with Dysthymic disorder (persistent depressive disorder) — documentation requirements, denial reasons, modifiers, and reimbursement context.
CPT Code
90832
Psychotherapy, 30 minutes
ICD-10 Code
F34.1
Dysthymic disorder (persistent depressive disorder)
Common Modifiers
Compatibility Notes
Brief sessions for PDD are appropriate in the maintenance phase when the patient is stable. Given the chronic nature of PDD, long-term brief check-ins may be clinically justified. Document rationale for shorter format vs 90834.
Documentation Required
- ✓Session start and stop times confirming 16–37 minutes
- ✓PDD diagnosis with 2-year course confirmed
- ✓Current symptom status
- ✓Rationale for brief maintenance format
- ✓Risk screen
Common Denial Reasons
- ✗Chronic depressive course not documented
- ✗PHQ-9 scores inconsistent with stable maintenance phase
- ✗Session time outside 16–37 minute range
Applicable Modifiers
Reimbursement Notes
OON UCR $75–$125. Brief PDD maintenance sessions are clinically reasonable; upgrade to 90834 if sessions approach 38 minutes or if clinical complexity increases.
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