# H2034: Substance use halfway house

- **HCPCS code:** H2034
- **CMS description:** Alcohol and/or drug abuse halfway house services, per diem

## Service Type Codes to Send

1. [CI Substance Abuse Facility - Inpatient](https://www.verifytx.com/stc-lookup/service-types/CI/)
2. [AI Substance Abuse](https://www.verifytx.com/stc-lookup/service-types/AI/)

**Why these codes:** A per diem residential setting for substance use; many plans exclude it, so check the umbrella too.

**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/H2034/