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J0638 Canakinumab injection

J Codes (Drugs)

Also known as: canakinumab, Ilaris, IL-1 beta antagonist

Canakinumab injection, a monoclonal antibody against interleukin-1 beta for treatment of cryopyrin-associated periodic syndromes and gout.

In Plain Language

inflammation blocker injection; rare genetic fever and gout treatment

Clinical Context

Monoclonal antibody targeting interleukin-1 beta, indicated for cryopyrin-associated periodic syndromes (CAPS), familial Mediterranean fever, and acute gout attacks.

RVU Information

CPT J0638 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

rheumatologyimmunologygenetic medicine

Frequently Asked Questions

What is CPT code J0638?

CPT J0638 (Canakinumab injection) is a J Codes (Drugs) code. Canakinumab injection, a monoclonal antibody against interleukin-1 beta for treatment of cryopyrin-associated periodic syndromes and gout.

How is J0638 administered?

CPT J0638 is administered by a healthcare provider, typically via injection or infusion. Monoclonal antibody targeting interleukin-1 beta, indicated for cryopyrin-associated periodic syndromes (CAPS), familial Mediterranean fever, and acute gout attacks. It is used by rheumatology, immunology, genetic medicine.

When is CPT J0638 used?

Monoclonal antibody targeting interleukin-1 beta, indicated for cryopyrin-associated periodic syndromes (CAPS), familial Mediterranean fever, and acute gout attacks.

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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.