CPT Code 96131: Psychological testing evaluation, each additional hour

When to Use CPT 96131

Use CPT code 96131 when billing for psychological testing evaluation, each additional hour. This code is used by licensed therapists (LCSW, LPC, MFT, Psychologist) for outpatient sessions.

Adding CPT 96131 to a Superbill

When generating a superbill with CPT 96131, 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 96131:

Documentation Requirements

Document additional interpretation and integration time beyond the first hour. Justify the need for extended evaluation.

Common Denial Reasons

• ✗ Billed without the primary 96130 code
• ✗ Excessive units billed beyond what the test battery warrants
• ✗ Missing documentation of additional evaluation time

Got one of these on a remittance? Decode the denial code.

Modifier Notes

Add-on code — must be billed with 96130 as the primary service.

Reimbursement Expectations

OON reimbursement typically 50-65% of UCR. Expect $75-$195 per additional hour.