# H0020: Opioid treatment program (methadone and buprenorphine)

- **HCPCS code:** H0020
- **CMS description:** Alcohol and/or drug services; methadone administration and/or service (provision of the drug by a licensed program)

## Service Type Codes to Send

1. [CJ Substance Abuse Facility - Outpatient](https://www.verifytx.com/stc-lookup/service-types/CJ/)
2. [AK Drug Addiction](https://www.verifytx.com/stc-lookup/service-types/AK/)
3. [AI Substance Abuse](https://www.verifytx.com/stc-lookup/service-types/AI/)

**Why these codes:** Opioid treatment programs bill as outpatient substance use facilities; drug addiction is the specific benefit.

**Sources:** CMS HCPCS Level II descriptor; X12 HIPAA 5010 service type code definitions; VerifyTX billing practice

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Canonical: https://www.verifytx.com/stc-lookup/procedure-codes/H0020/