Summary & Overview
HCPCS Level II H0019: Long‑Term Behavioral Health Residential Per Diem
Headline: HCPCS Level II code H0019: Long‑term behavioral health residential per diem
Lead: HCPCS Level II code H0019 identifies long‑term, non‑medical residential behavioral health treatment billed on a per‑diem basis and excludes room and board. This code is used for stays typically longer than 30 days in non‑hospital residential treatment programs and is central to coverage determinations and service classification for behavioral health continuum‑of‑care planning.
What the code represents and why it matters: HCPCS Level II code H0019 denotes extended residential behavioral health treatment that is not medical or acute in nature. Nationally, it matters because it delineates a distinct level of care for patients requiring prolonged psychosocial stabilization, rehabilitation, or structured therapeutic environments outside of acute inpatient settings. Proper use affects authorization, benefits design, and claims processing across commercial and public payers.
Key payers covered: Analysis includes major national commercial payers: Aetna; Blue Cross Blue Shield; Cigna Health; and UnitedHealthcare.
What readers will learn: The publication provides clinical context for long‑term residential behavioral health services, outlines common associated diagnostic categories, contrasts H0019 with related residential and partial hospitalization service codes, and summarizes typical billing considerations such as per‑diem application and exclusion of room and board. It also highlights available information and notes where input data is incomplete. Data not available in the input is identified where applicable.
Billing Code Overview
HCPCS Level II code H0019 describes behavioral health long-term residential treatment delivered on a per diem basis. The code covers non-medical, non-acute care in a residential treatment program where the stay is typically longer than 30 days, and the billing rate excludes room and board.
Service Type: Behavioral health residential treatment
Typical Site of Service: Residential treatment program (non-hospital)
Clinical & Coding Specifications
Clinical Context
A 28-year-old patient with a history of recurrent major depressive disorder (F33.9) and generalized anxiety disorder (F41.1) is referred by an outpatient psychiatrist to a non-medical residential treatment program for long-term behavioral health stabilization. The clinical workflow begins with an intake assessment by a licensed mental health clinician, development of an individualized treatment plan, daily group therapy, individual psychotherapy, medication management coordinated with the treating psychiatrist, and ongoing progress reviews. The program provides structured therapeutic services longer than 30 days without room and board billing; services are billed per diem using HCPCS Level II code H0019.
Coding Specifications
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HCPCS Level II code:
H0019— Behavioral health; long-term residential (non-medical, non-acute care in a residential treatment program where stay is typically longer than 30 days), without room and board, per diem. -
Common Modifiers:
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U1- Medicaid Level of Care 1: Use when the payer requires reporting of a Medicaid-defined level of care 1 for residential behavioral health placement. -
U2- Medicaid Level of Care 2: Use when the payer requires reporting of a Medicaid-defined level of care 2 for residential behavioral health placement.