Home
Career Stage
Medical Students Residents Attendings CPT Codes Resources Blog Support

J2291 Injection, nafcillin (baxter) 20mg

J Codes (Drugs)

Also known as: nafcillin, Baxter nafcillin

Injection of nafcillin (Baxter brand), 20 milligrams. A beta-lactam antibiotic from a specific manufacturer.

In Plain Language

staphylococcal infection treatment

Clinical Context

Identical clinical use to standard nafcillin for Staphylococcus aureus infections. Baxter is a specific manufacturer of injectable nafcillin.

RVU Information

CPT J2291 does not have a physician work RVU assigned by CMS. This is typical for supply, drug, and equipment codes — reimbursement is based on Average Sales Price (ASP), fee schedules, or payer contracts rather than the RVU system.

Billing & Documentation

J-codes represent drugs administered by a healthcare provider (not self-administered). Documentation must include the drug name, dosage, route of administration, and medical necessity. Most payers require the National Drug Code (NDC) on the claim. Bill the appropriate administration code (96365-96379) in addition to the drug code.

Specialties

Infectious DiseaseInternal Medicine

Frequently Asked Questions

What is CPT code J2291?

CPT J2291 (Injection, nafcillin (baxter) 20mg) is a J Codes (Drugs) code. Injection of nafcillin (Baxter brand), 20 milligrams. A beta-lactam antibiotic from a specific manufacturer.

How is J2291 administered?

CPT J2291 is administered by a healthcare provider, typically via injection or infusion. Identical clinical use to standard nafcillin for Staphylococcus aureus infections. Baxter is a specific manufacturer of injectable nafcillin. It is used by Infectious Disease, Internal Medicine.

When is CPT J2291 used?

Identical clinical use to standard nafcillin for Staphylococcus aureus infections. Baxter is a specific manufacturer of injectable nafcillin.

Track This Code in RVU Edge

Log procedures, calculate wRVUs, and benchmark against MGMA data — all in one app.

CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.