J1557 Gammaplex injection
Also known as: Gammaplex, IVIG
Gammaplex (human immunoglobulin intravenous) injection. An intravenous immunoglobulin for immunodeficiency and immune disorder treatment.
In Plain Language
intravenous antibody infusion; immune support therapy
Clinical Context
Used for primary and secondary immunodeficiency, chronic inflammatory demyelinating polyneuropathy, immune thrombocytopenia, and other immune-mediated conditions.
RVU Information
CPT J1557 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 J1557?
CPT J1557 (Gammaplex injection) is a J Codes (Drugs) code. Gammaplex (human immunoglobulin intravenous) injection. An intravenous immunoglobulin for immunodeficiency and immune disorder treatment.
How is J1557 administered?
CPT J1557 is administered by a healthcare provider, typically via injection or infusion. Used for primary and secondary immunodeficiency, chronic inflammatory demyelinating polyneuropathy, immune thrombocytopenia, and other immune-mediated conditions. It is used by Immunology, Hematology, Internal Medicine.
When is CPT J1557 used?
Used for primary and secondary immunodeficiency, chronic inflammatory demyelinating polyneuropathy, immune thrombocytopenia, and other immune-mediated conditions.
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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.