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Billing and Coding: Medication Assisted Treatment

Posted 5/11/2020 (updated 3/28/2024)

Medication assisted treatment (MAT) will be offered to patients who have a current diagnosis of opioid use disorder (OUD), moderate to severe, and who meet predetermined criteria.


Medication of choice is buprenorphine/naloxone for non-pregnant patients and buprenorphine single ingredient for pregnant patients. Preauthorization is required. Some payers have brand preferences for buprenorphine/naloxone combination medication.


Individuals receiving the treatment may be established patients of the practice or referred from another local provider.


National and state guidelines suggest MAT be managed as an elective treatment and should include signed, informed consent.

Several office processes are appropriate for MAT induction, stabilization, and maintenance. It is best to include a treatment team that includes front office, nursing, prescriber, medical records/billing, and administrator.