Summary & Overview
HCPCS J2543: Injection of Piperacillin/Tazobactam, 1 g/0.125 g
HCPCS Level II code J2543 denotes an injection of piperacillin sodium/tazobactam sodium, 1 gram/0.125 grams (1.125 grams), a commonly used parenteral antibiotic for serious infections in acute care settings. Nationally, accurate coding of antibiotic injections affects hospital and outpatient infusion billing, antimicrobial stewardship reporting, and aggregated utilization metrics.
This analysis covers major national payers including Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of clinical context for the drug formulation, typical sites of service where J2543 is billed, and which payers are included in comparative coverage discussions. The publication also outlines common billing modifiers and operational considerations related to parenteral therapy administration.
The report provides benchmarks for utilization and reimbursement practices, highlights relevant policy updates that influence coverage and billing, and situates J2543 within broader antimicrobial treatment patterns. Data limitations where input is incomplete are noted as "Data not available in the input." The content is designed for billing managers, revenue cycle professionals, and policy analysts seeking a national-level briefing on coding and operational implications for this injectable antibiotic.
Billing Code Overview
HCPCS Level II code J2543 describes an injection of piperacillin sodium/tazobactam sodium, 1 gram/0.125 grams (1.125 grams). This entry represents a single unit of the combined broad-spectrum antibiotic formulation used for treatment of serious bacterial infections.
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Service type: Parenteral antibiotic administration (intravenous injection or infusion)
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Typical site of service: Hospital inpatient or outpatient settings, emergency department, and other acute care infusion locations where intravenous antibiotics are administered
Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A typical scenario involves an adult hospitalized patient with a confirmed or suspected moderate to severe intra-abdominal, pelvic, urinary tract, skin/soft tissue, or hospital-acquired bacterial infection requiring broad-spectrum intravenous anti-pseudomonal beta-lactam therapy. A patient presents to the emergency department or inpatient unit with fever, leukocytosis, hemodynamic stability or instability, and clinical signs consistent with sepsis or a localized bacterial infection. The admitting clinician orders IV J2543 (piperacillin sodium/tazobactam sodium, 1 g/0.125 g) to be administered by a nurse or infusion pump. Pharmacy prepares the dose, verifies allergies and renal function, and documents dose, route, and time. Nursing administers the injection/infusion per facility protocol (typically IV push or short infusion depending on formulation and institutional guidance), monitors for infusion reactions, documents the administration with required modifiers if applicable, and communicates culture and sensitivity results to guide de-escalation or dose adjustment.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
JW | Drug amount discarded/not administered | When part of the single-use vial is discarded and payer permits reporting of wasted medication |