For calendar year 2020, Medicare will add new codes for telehealth services that include a bundled episode of care for treating opioid use disorder (OUD). Additionally, Medicare will add opioid treatment programs (OTPs) as entities that can bill Medicare Part B for providing methadone as medication assisted treatment (MAT) for OUD. The new telehealth addiction treatment codes are Healthcare Common Procedure Coding System (HCPCS) codes GYYY1, GYYY2, and GYYY3. The codes are for the following services: HCPCS code GYYY1: Office-based treatment for opioid use disorder, including development of the treatment plan, care coordination, individual therapy and group . . .