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

J3490 Drugs unclassified injection

J Codes (Drugs)

Also known as: unclassified drug, unlisted injection

Drugs, unclassified injection is a catch-all code for injectable drugs not specifically coded elsewhere in HCPCS.

In Plain Language

miscellaneous medication injection

Clinical Context

Used when a specific injectable drug lacks a dedicated code. Requires documentation of drug name, dose, and route. Used temporarily until specific code assignment or for rare medications.

RVU Information

CPT J3490 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.

Frequently Asked Questions

What is CPT code J3490?

CPT J3490 (Drugs unclassified injection) is a J Codes (Drugs) code. Drugs, unclassified injection is a catch-all code for injectable drugs not specifically coded elsewhere in HCPCS.

How is J3490 administered?

CPT J3490 is administered by a healthcare provider, typically via injection or infusion. Used when a specific injectable drug lacks a dedicated code. Requires documentation of drug name, dose, and route. Used temporarily until specific code assignment or for rare medications. It is used by multiple specialties.

When is CPT J3490 used?

Used when a specific injectable drug lacks a dedicated code. Requires documentation of drug name, dose, and route. Used temporarily until specific code assignment or for rare medications.

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.