
CPT 90834
CPT Code 90834: Psychotherapy, 45 minutes
Duration
45 min
Typical Fee
$100-$175
Type
Outpatient therapy
When to Use CPT 90834
Use CPT code 90834 when billing for psychotherapy, 45 minutes. This code is used by licensed therapists (LCSW, LPC, MFT, Psychologist) for outpatient sessions.
Adding CPT 90834 to a Superbill
When generating a superbill with CPT 90834, include the ICD-10 diagnosis code, date of service, fee charged, amount paid, and your NPI number. Superbilled pre-fills common therapy CPT codes automatically.
Common ICD-10 Pairings
These diagnosis codes are frequently used alongside CPT 90834:
Documentation Requirements
Session must fall within the 38-52 minute range. Document start/stop times and therapeutic modality used.
Common Denial Reasons
- ✗ Session time falls outside the 38-52 minute window
- ✗ Time mismatch — documentation supports 90832 or 90837 instead
- ✗ Missing diagnosis or medical necessity documentation
Modifier Notes
Use modifier 95 for synchronous telehealth. Modifier 59 may be needed if billed with other services on the same day.
Reimbursement Expectations
OON reimbursement typically 50-70% of UCR. Expect $55-$120 from most commercial plans.