HCPCS J3301 | Description & Billing Guidelines

J3301 can be used to report an injection of 10 milligrams of triamcinolone acetonide to treat inflammation due to tissue injuries.

What Is J3301?

J3301 covers a corticosteroid, triamcinolone acetonide, that works in the body to treat inflammation and does not have a specific code. Inflammation is the response of tissues to injuries, such as pain, heat, redness, and swelling. 

The provider reports J3301 for one unit of ten mg, or milligram, of triamcinolone acetonide. Routes of administration include intramuscular injection into a patient’s muscle.

What Is Triamcinolone Acetonide?

Triamcinolone acetonide is a corticosteroid that inhibits the formation of substances that lead to inflammatory conditions in the body.

Examples of typical conditions where a provider administers the drug to a patient include;

  • allergic disorders;
  • skin conditions;
  • ulcerative colitis;
  • arthritis;
  • lupus, or
  • breathing disorders.


J3301 is officially described by HCPCS. The description of this code can be found below.

Short Description: “Triamcinolone acet inj nos.”

Long Description: “Injection, triamcinolone acetonide, not otherwise specified, 10 mg.”

Code: O1E

Code Added: January 01, 1991

Last Changed: January 01, 2009

Billing Guidelines

The provider reports J3301 for each ten mg injection of triamcinolone acetonide that he administers to a patient and does not have a specific code assigned for the type of medication he uses.

J3301 represents the drug Aristocort® but not its administration of it. Check the payers’ guidelines if you have to report the administration of this Aristocort.

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