CPT 90834 + ICD-10 F60.3: Borderline personality disorder
Psychotherapy, 45 minutes billed with Borderline personality disorder — documentation requirements, denial reasons, modifiers, and reimbursement context.
CPT Code
90834
Psychotherapy, 45 minutes
ICD-10 Code
F60.3
Borderline personality disorder
Compatibility Notes
Used for 45-minute DBT or MBT individual sessions for BPD. This is less common than the 60-minute format for BPD but appropriate when shorter sessions are clinically indicated. Safety documentation is essential. Prior authorization is commonly required for ongoing BPD treatment.
Documentation Required
- ✓Session start and stop times confirming 38–52 minutes
- ✓BPD diagnosis with active symptom documentation
- ✓Safety assessment per session
- ✓DBT skills or MBT approach referenced
- ✓Prior authorization number if applicable
Common Denial Reasons
- ✗Missing safety documentation
- ✗No documented evidence-based BPD modality
- ✗Session time outside 38–52 minute range
- ✗Payer recommends higher level of care
Applicable Modifiers
Reimbursement Notes
OON UCR $100–$165. BPD treatment under 90834 should include clinical rationale for 45-minute vs 60-minute format to pre-empt payer questions.
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