Summary & Overview
HCPCS S9336: Home Anticoagulant Infusion Administrative and Pharmacy Services
HCPCS Level II code S9336 represents per diem administrative and professional pharmacy services for continuous anticoagulant infusion therapy in the home, including care coordination and provision of supplies and equipment while drugs and nursing visits are billed separately. This code matters nationally as home infusion for anticoagulation enables outpatient management of patients requiring continuous anticoagulant therapy, potentially reducing inpatient days and supporting value-based care models.
Key payers discussed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of what S9336 covers, how it is used in home infusion programs, and the clinical context for continuous anticoagulant infusions such as heparin. The publication summarizes common billing considerations, typical site of service, and where this code fits within home infusion service lines. It also outlines the types of benchmarks and policy updates relevant to payers and providers, including utilization patterns and coverage considerations.
This summary provides a national perspective on coding and operational context for home-based continuous anticoagulant infusion administrative services, intended for payers, providers, and policy analysts seeking a clear reference for S9336. Data not available in the input is noted where applicable.
Billing Code Overview
HCPCS Level II code S9336 describes home infusion therapy for continuous anticoagulant infusion (for example, heparin), covering administrative services, professional pharmacy services, care coordination, and all necessary supplies and equipment on a per diem basis. Drugs and nursing visits are coded separately.
Service type: Home infusion therapy administrative and pharmacy care coordination
Typical site of service: Patient residence / home
Clinical & Coding Specifications
Clinical Context
A 72-year-old male with a history of atrial fibrillation and a recent deep vein thrombosis is discharged from the hospital to home on continuous intravenous unfractionated heparin infusion while awaiting transition to therapeutic low-molecular-weight heparin or oral anticoagulation. Home health coordinates start of therapy: a clinical pharmacist documents dosing and monitoring plan, the home infusion agency provides infusion pump, tubing, and supplies, and a visiting nurse performs line site assessments and draws labs. The per diem administrative and professional pharmacy services covered by S9336 include coordination of care, patient/caregiver education on infusion pump and bleeding precautions, credentialed pharmacist review of dosing and infusion orders, troubleshooting pump alarms, and arranging nursing visits and laboratory draws (drugs and nursing visits are billed separately). Typical workflow: hospital discharge orders to home infusion agency → pharmacist verifies and establishes continuous anticoagulant infusion plan → infusion pump and supplies delivered to patient home → visiting nurse initiates infusion and documents baseline labs → ongoing INR/aPTT monitoring and dose adjustments communicated to prescribing clinician and documented in home infusion record.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
00 | No modifier | Standard billing when no special modifier applies |