Summary & Overview
HCPCS B4220: Parenteral Nutrition Supply Kit, Premix, Per Day
HCPCS Level II code B4220 identifies a daily premix parenteral nutrition supply kit used to deliver intravenous nutrition to patients who cannot receive adequate enteral feeding. Nationally, parenteral nutrition supplies are essential for complex clinical populations including some hospitalized patients, long-term care residents, and patients receiving home infusion therapy. Accurate coding of supply kits like B4220 affects clinical documentation, coverage determinations, and claims processing across payers.
Key payers addressed include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of how the code is used clinically, typical sites of service, and the payer landscape covered in this analysis. The publication provides benchmarks on utilization and reimbursement practices where available, summarizes relevant policy considerations that influence coverage for parenteral nutrition supplies, and situates the code in the context of clinical care pathways for patients requiring intravenous nutritional support.
This summary equips billing managers, clinicians, and policy analysts with a focused briefing on HCPCS Level II code B4220, highlighting operational and coverage issues that commonly arise when supplying daily premix parenteral nutrition kits across settings.
Billing Code Overview
HCPCS Level II code B4220 denotes a parenteral nutrition supply kit; premix, per day. This code represents a packaged supply for parenteral nutrition administered intravenously, typically provided as a premixed formulation intended to meet a patient's daily nutritional requirements.
Service Type: Parenteral nutrition supply
Typical Site of Service: Hospital inpatient, hospital outpatient infusion centers, home infusion therapy, or skilled nursing facilities, depending on clinical setting and payer coverage policies.
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Clinical & Coding Specifications
Clinical Context
A typical patient is an adult with intestinal failure or severe malabsorption (for example short bowel syndrome, high-output enterocutaneous fistula, or severe Crohn disease) requiring chronic parenteral nutrition. The patient receives a B4220 premixed parenteral nutrition supply kit billed per day. Clinical workflow: hospital or outpatient infusion center prescriber (physician or advanced practice provider) orders daily premix parenteral nutrition; pharmacy compounds or supplies a commercial premix kit; trained infusion nurse or home infusion pharmacy delivers and sets up infusion pump and tubing; daily or continuous infusion administered via central venous catheter (peripherally inserted central catheter or tunneled catheter) in hospital, skilled nursing facility, outpatient infusion center, or patient home; periodic clinical monitoring includes weight, electrolytes, liver function tests, fluid status, and catheter site assessment; documentation includes order, administration record, supply kit lot number, and patient tolerance notes. Typical sites of service: inpatient acute care hospital, outpatient infusion center, skilled nursing facility, and home infusion therapy.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 | Professional component | Use when billing professional interpretation or supervision components separate from facility supply (rare for supply-only code). |