CPT 90834 + ICD-10 F33.9: Major depressive disorder, recurrent, unspecified
Psychotherapy, 45 minutes billed with Major depressive disorder, recurrent, unspecified — documentation requirements, denial reasons, modifiers, and reimbursement context.
CPT Code
90834
Psychotherapy, 45 minutes
ICD-10 Code
F33.9
Major depressive disorder, recurrent, unspecified
Common Modifiers
Compatibility Notes
Used for 45-minute sessions with recurrent MDD patients when severity has not yet been specified. Transitional code acceptable for 1–2 sessions; refine to F33.0 or F33.1 as soon as severity is established. Recurrent course must be documented.
Documentation Required
- ✓Session start and stop times confirming 38–52 minutes
- ✓Prior MDD episode documented confirming recurrent course
- ✓Current episode symptom summary
- ✓PHQ-9 pending or in progress
- ✓Risk assessment
Common Denial Reasons
- ✗Recurrent course not documented
- ✗Unspecified code used long-term
- ✗Session time outside 38–52 minute range
Applicable Modifiers
Reimbursement Notes
OON UCR $100–$165. Refine to a severity specifier (F33.0, F33.1) as soon as possible to reduce audit risk.
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