G0397 Alcohol/subs interv >30 min

Alcohol and/or substance (other than tobacco) misuse structured assessment (e.g., audit, dast), and intervention, greater than 30 minutes

• Medicare coverage: Carrier judgment
• Status: active (July 2026 file)
• MUE: max 1 units per day (practitioner), rationale: Code Descriptor / CPT Instruction