Summary & Overview
HCPCS Level II J1580: Gentamicin Injection, up to 80 mg
HCPCS Level II code J1580 designates an injection of gentamicin (garamycin), up to 80 mg. This injectable aminoglycoside is used in a range of bacterial infections and is reported when the specified dose form is supplied and administered. Nationally, accurate coding for parenteral antibiotics matters for clinical documentation, claims adjudication, inventory control, and antimicrobial stewardship reporting.
Key payers covered in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of coding and clinical context for J1580, typical sites of service where this code is billed, and common billing considerations. The publication outlines benchmarks and payer coverage patterns where available, highlights relevant billing modifiers and related code groupings, and summarizes policy updates that affect reimbursement and documentation for injectable antimicrobials.
The content is intended for billing managers, practice administrators, revenue cycle staff, and clinicians involved in parenteral medication administration and coding. It provides practical reference material for claims preparation, payer communications, and internal workflow alignment.
Billing Code Overview
HCPCS Level II code J1580 represents an injection of gentamicin (garamycin), up to 80 mg. This code is used to report administration of the specified antibiotic preparation.
-
Service type: Parenteral antibiotic injection
-
Typical site of service: Ambulatory infusion centers, hospital outpatient departments, physician offices, and other outpatient clinical settings
Data not available in the input.
Clinical & Coding Specifications
Clinical Context
A typical patient is an adult presenting to an outpatient infusion clinic, emergency department, or inpatient ward with a suspected or confirmed gram-negative bacterial infection requiring parenteral aminoglycoside therapy. The patient may have severe urinary tract infection, intra-abdominal infection, sepsis, or complicated skin and soft tissue infection where gentamicin is indicated based on culture/sensitivity or empiric coverage. The clinical workflow includes: initial assessment and documentation of infection signs, ordering of J1580 for administration of gentamicin (up to 80 mg), review of renal function and baseline audiology risk factors, verification of dosing and route (intravenous or intramuscular), preparation and administration by nursing staff, monitoring of vital signs and renal function, and documentation of lot number, dose, route, time, and any immediate adverse reactions. Medication administration may be billed by facility or supplier using J1580 with appropriate diagnosis linkage and modifier(s) to indicate bilateral procedures, professional component, or payer-specific circumstances when applicable.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
22 | Increased procedural services | Use when documented work, time, or complexity for administration is substantially greater than typical. |