MedicaidBilling CodesMedium impact
Initiation of Buprenorphine - Medication for the Treatment of Opioid Use Disorder (MOUD) in the Hospital Emergency Department Setting
Illinois Medicaid - HFS·IL · Emergency Medicine·Provider Notice
Effective date
Jan 1, 2022
We identified it
Jun 20, 2026
Summary
Illinois Medical Assistance Program now covers initiation of buprenorphine for opioid use disorder in hospital emergency departments. Hospitals can bill using procedure code G2213 as an add-on to primary procedure codes for qualifying assessments, medication initiation, and care coordination services.
Action Required
Immediately: Hospital billing teams must add HCPCS code G2213 to billing systems for buprenorphine initiation services in emergency departments. Configure G2213 as an add-on code that requires a primary procedure code on 837I claims. Ensure documentation requirements are met including OUD assessment, medication initiation plan, patient education, and follow-up referral arrangements. Claims should be submitted to HFS or applicable HealthChoice Illinois MCO.