Summary & Overview
HCPCS H0043: Supported Housing, Per Diem
HCPCS Level II code H0043 covers per diem payments for supported housing services, a key component of community behavioral health and social support systems. Supported housing programs provide daily, non-clinical residential assistance to help individuals maintain stable housing, develop independent living skills, and connect with community resources. Nationally, the availability and reimbursement of supported housing influence homelessness interventions, behavioral health continuity, and long-term social outcomes.
This analysis addresses major national payers including Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of payer coverage patterns, typical use cases for per diem supported housing billing, and the clinical and service contexts that justify use of this code. The publication also summarizes common billing attributes and potential documentation expectations tied to per diem housing services.
Readers will learn benchmarks for utilization and common policy considerations affecting reimbursement for supported housing, along with a concise clinical context that clarifies when H0043 is appropriate. Data not available in the input will be noted where specific payer policies or utilization metrics are required for operational decisions.
Billing Code Overview
HCPCS Level II code H0043 represents supported housing, per diem services. This code describes daily payments for programs that provide supportive residential services designed to help individuals maintain stable housing while receiving behavioral health or social support services.
Service type: Supported housing services — ongoing residential supports focused on housing stability, independent living skills, and linkage to community resources.
Typical site of service: Residential setting / community-based housing — services are provided in non-clinical housing environments where beneficiaries reside and receive daily structured supports.
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult with serious and persistent mental illness (for example, schizophrenia, bipolar disorder, or severe major depressive disorder) or a substance use disorder who requires stable, supervised living with supportive services. The individual has completed acute inpatient psychiatric or residential substance use treatment and is transitioning to a community setting but needs ongoing structure, medication oversight, case management, and assistance with activities of daily living to reduce relapse and rehospitalization risk.
In the clinical workflow, a community behavioral health agency or supported housing provider documents the individualized service plan (housing, clinical supports, and goals) and bills per diem for lodging and onsite support services using H0043. A case manager or program coordinator conducts an intake assessment, documents mental health and social needs, coordinates medication management with the prescribing clinician, and records daily supportive services (meal assistance, skills training, transportation coordination, crisis intervention). Clinical staff chart progress notes, medication reconciliations, and any acute events; they update the treatment plan regularly and coordinate with payors such as Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, BUCA, and Medicare for authorization, payment, and reporting requirements.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 |