Summary & Overview
HCPCS S9502: Home Infusion Administrative and Pharmacy Services
HCPCS Level II code S9502 denotes per-diem administrative and professional pharmacy services for home infusion therapy when antibiotics, antivirals, or antifungals are administered every eight hours. The code captures care coordination, administrative oversight, and the supplies and equipment needed to support the infusion; drugs and nursing visits are billed separately. Nationally, S9502 matters because home infusion reduces inpatient or facility-based care, supports antimicrobial management in the community, and intersects with pharmacy and home health payment policies.
Key payers in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of how S9502 is defined, typical sites of service, and the service components it represents. The publication outlines common modifier usage, payer coverage patterns, and benchmarking considerations where available. It also summarizes clinical context for home-based antibiotic, antiviral, and antifungal regimens and highlights policy and coding considerations that impact billing and care coordination for per-diem administrative services.
Data not available in the input: payer-specific rate tables, associated taxonomies, ICD-10 diagnosis pairings, and related codes.
Billing Code Overview
HCPCS Level II code S9502 represents home infusion therapy administrative services for antibiotic, antiviral, or antifungal therapy billed on a per diem basis. The code covers professional pharmacy services, care coordination, and all necessary supplies and equipment associated with administration that occurs once every 8 hours; the actual drugs and nursing visits are coded separately.
Service type: Home infusion administrative and professional pharmacy services
Typical site of service: Patient's home
Data not available in the input for associated taxonomies, ICD-10 diagnoses, related codes, and service line.
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult with a documented bacterial, viral, or fungal infection requiring continuous intravenous antimicrobial therapy at home, administered every eight hours under a home infusion program. The patient may be medically stable for discharge from an inpatient stay or referred directly from an outpatient clinic following diagnosis and initiation of therapy. A home infusion pharmacist and home health nurse coordinate care: the pharmacy prepares and dispenses the antimicrobial and supplies; nursing establishes and maintains vascular access (peripheral IV or PICC), performs medication administration training if the patient or caregiver will self-administer, and conducts regular clinical assessments and wound or line checks. Administrative services under the per diem include medication scheduling, supply logistics, patient education, prior authorization support, and care coordination with the prescribing clinician. Drugs are billed separately; S9502 covers the administrative, professional pharmacy services, care coordination, supplies and equipment (excluding drug product and nursing visits which are coded separately). Typical documentation includes the prescription, treatment plan specifying every-eight-hour dosing, vascular access details, nurse visit notes, pharmacy preparation records, and prior authorizations or payer communications.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component |