CPT Code 99409 (SBIRT): Alcohol and/or substance abuse structured screening, greater than 30 min

When to Use CPT 99409

Use CPT code 99409 when billing for alcohol and/or substance abuse structured screening, greater than 30 min. This code is used by licensed therapists (LCSW, LPC, MFT, Psychologist) for outpatient sessions.

Adding CPT 99409 to a Superbill

When generating a superbill with CPT 99409, 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 99409:

Documentation Requirements

Document more than 30 minutes of structured screening and extended intervention. Include screening tool, results, motivational interviewing, and referral plan.

Common Denial Reasons

• ✗ Time does not exceed 30 minutes
• ✗ Missing screening instrument documentation
• ✗ Billed on same date as 99408 — only one level per encounter

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

Reimbursement Expectations

OON reimbursement typically 40-60% of UCR. Expect $20-$60 for the extended intervention.