Summary & Overview
HCPCS Level II S5136: Companion Care, Adult (Per Diem)
HCPCS Level II code S5136 identifies per-diem companion care for adults, covering non-skilled assistance with IADLs and ADLs in home- and community-based settings. This code matters nationally as companion care is an increasingly relied‑upon service for older adults and individuals with functional limitations who require daily supervision, social support, or help with routine tasks but do not require skilled clinical care. Coverage and utilization of companion care affect long‑term services and supports expenditures, care coordination, and the capacity of home‑based care networks.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of what S5136 represents, typical sites of service, and the role of per‑diem companion care in care delivery. The publication provides benchmarks and policy context relevant to reimbursement and coverage of non‑skilled home care services, summarizes payer approaches to per‑diem companion services, and outlines clinical context for use (IADL/ADL assistance, supervision, and social support). Data not available in the input will be noted where applicable. This national summary is intended for policy analysts, billing professionals, and care program managers evaluating companion care coding and coverage.
Billing Code Overview
HCPCS Level II code S5136 denotes companion care, adult (e.g., IADL/ADL); per diem. This service represents non-skilled companion support for adults that focuses on assistance with instrumental activities of daily living (IADLs) and activities of daily living (ADLs) on a per-day basis. The service type is companion care / non-skilled personal assistance. The typical site of service is home- and community-based settings, including private residences, assisted living facilities, and other community living environments.
Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A typical patient receiving S5136 is an older adult who requires non-medical companion and supervision services to support activities of daily living (ADLs) and instrumental ADLs (IADLs) while remaining safely at home. Example scenario: an 82-year-old community-dwelling woman with mild cognitive impairment, osteoarthritis, and recent history of falls is discharged from a short inpatient stay after treatment for dehydration. A home health intake nurse documents that the patient is alert but needs prompting for medication, meal preparation, ambulation supervision, and transportation to outpatient appointments. The care plan assigns per-diem companion care to provide social supervision, assistance with meal setup, reminder prompts for medications, accompaniment to physical therapy appointments, and non-skilled observational reporting to the clinical team.
Workflow: Referral is generated by the discharging clinician or case manager. The companion care agency verifies eligibility and authorizations, assigns a companion caregiver for day-shift per-diem coverage, documents visits in the patient record (start/stop times, services provided), communicates observations to the licensed nurse or social worker, and bills S5136 per diem for days services were delivered. Clinical communication includes fall-risk updates, changes in functional status, and any need to escalate to skilled services.
Coding Specifications
| Modifier | Description | When to Use |
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