Summary & Overview
HCPCS Level II H0008: Sub-acute Detoxification, Residential Inpatient
HCPCS Level II code H0008 designates sub-acute detoxification services provided in a residential inpatient addiction treatment setting. The code identifies structured medical and psychosocial services focused on managing withdrawal and stabilizing patients with alcohol or drug dependence before transition to ongoing treatment. Nationally, accurate use of this code helps classify levels of care for substance use disorder services and supports consistent claims processing and coverage determinations across payers.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, and UnitedHealthcare. The publication outlines payer coverage patterns, billing considerations, and clinical context relevant to inpatient sub-acute detoxification. It highlights common scenarios in which H0008 is applied and differentiates it from related detoxification service codes used for outpatient or acute inpatient settings.
Readers will find concise benchmarks for typical site of service coding, guidance on clinical documentation needed to support inpatient residential detoxification claims, and an overview of associated diagnostic contexts for which this code is commonly billed. Where specific data elements were not provided in the source, the text notes: "Data not available in the input." The summary is intended for billing managers, coding professionals, and policy analysts seeking a clear national overview of HCPCS Level II code H0008 and its role in substance abuse treatment billing.
Billing Code Overview
HCPCS Level II code H0008 represents Alcohol and/or drug services; sub-acute detoxification (residential addiction program inpatient). This code is used to report structured substance abuse treatment services delivered in a sub-acute residential inpatient setting. The service type is Substance Abuse Treatment, and the typical site of service is Inpatient Hospital (POS 21).
Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A 38-year-old patient with documented alcohol dependence presents to the inpatient unit with signs of withdrawal (tachycardia, tremor, agitation) after cessation of heavy drinking. The hospital evaluates medically, admits the patient to a residential addiction program for sub-acute detoxification, initiates symptom-directed medications, conducts nursing monitoring, psychosocial assessment, and structured group sessions during the inpatient stay. The clinical workflow includes triage and medical clearance in the emergency department or admission unit, physician and addiction psychiatry consult as needed, daily medical and nursing assessments, counseling by an addiction counselor, and discharge planning with outpatient referral.
Coding Specifications
-
HCPCS Level II code
H0008: Alcohol and/or drug services; sub-acute detoxification (residential addiction program inpatient). -
Common Modifiers:
-
52Reduced Services: Use when the service is partially reduced or not provided as originally planned (for example, shortened length of stay or limited scope of services delivered relative to full sub-acute detoxification program). -
59Distinct Procedural Service: Use when a separate, identifiable service distinct from other services on the same day is provided (for example, when a distinct episode of sub-acute detoxification is billed separately from other concurrent procedures). -
Associated provider taxonomies: