# H0035: Partial hospitalization (PHP)

- **HCPCS code:** H0035
- **CMS description:** Mental health partial hospitalization, treatment, less than 24 hours

## Service Type Codes to Send

1. [BB Partial Hospitalization (Psychiatric)](https://www.verifytx.com/stc-lookup/service-types/BB/)
2. [CH Mental Health Facility - Outpatient](https://www.verifytx.com/stc-lookup/service-types/CH/)
3. [MH Mental Health](https://www.verifytx.com/stc-lookup/service-types/MH/)

**Why these codes:** PHP has its own STC; outpatient facility and the umbrella are the fallbacks. G0177 is the education billed within PHP.

**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/H0035/