J3391 Injection, atidarsagene autotemcel
Also known as: atidarsagene autotemcel, Zynyz, gene therapy
Atidarsagene autotemcel (Zynyz) injection is a genetically modified autologous T cell therapy for severe combined immunodeficiency treatment.
In Plain Language
immune system gene therapy; severe immunodeficiency treatment
Clinical Context
Gene therapy for severe combined immunodeficiency caused by adenosine deaminase deficiency. Autologous T cells modified ex vivo with a functional adenosine deaminase gene. Intravenous administration for immune reconstitution.
RVU Information
CPT J3391 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
Frequently Asked Questions
What is CPT code J3391?
CPT J3391 (Injection, atidarsagene autotemcel) is a J Codes (Drugs) code. Atidarsagene autotemcel (Zynyz) injection is a genetically modified autologous T cell therapy for severe combined immunodeficiency treatment.
How is J3391 administered?
CPT J3391 is administered by a healthcare provider, typically via injection or infusion. Gene therapy for severe combined immunodeficiency caused by adenosine deaminase deficiency. Autologous T cells modified ex vivo with a functional adenosine deaminase gene. Intravenous administration for immune reconstitution. It is used by Immunology, Hematology, Gene Therapy.
When is CPT J3391 used?
Gene therapy for severe combined immunodeficiency caused by adenosine deaminase deficiency. Autologous T cells modified ex vivo with a functional adenosine deaminase gene. Intravenous administration for immune reconstitution.
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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.