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

J1556 Injection, imm glob bivigam, 500mg

J Codes (Drugs)

Also known as: Bivigam, IVIG

Bivigam (immune globulin intravenous) injection, 500 milligrams. An intravenous immunoglobulin formulation for immunodeficiency and immune disorders.

In Plain Language

intravenous antibody therapy; immune system support

Clinical Context

Used for primary immunodeficiency, immune thrombocytopenia, chronic inflammatory demyelinating polyneuropathy, and other immune-mediated conditions.

RVU Information

CPT J1556 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

ImmunologyHematologyInternal Medicine

Frequently Asked Questions

What is CPT code J1556?

CPT J1556 (Injection, imm glob bivigam, 500mg) is a J Codes (Drugs) code. Bivigam (immune globulin intravenous) injection, 500 milligrams. An intravenous immunoglobulin formulation for immunodeficiency and immune disorders.

How is J1556 administered?

CPT J1556 is administered by a healthcare provider, typically via injection or infusion. Used for primary immunodeficiency, immune thrombocytopenia, chronic inflammatory demyelinating polyneuropathy, and other immune-mediated conditions. It is used by Immunology, Hematology, Internal Medicine.

When is CPT J1556 used?

Used for primary immunodeficiency, immune thrombocytopenia, chronic inflammatory demyelinating polyneuropathy, and other immune-mediated conditions.

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.