HCPCS Code J1566: Immune Globulin, Intravenous, Lyophilized, Not Otherwise Specified, 500 mg

The brand name for HCPCS code J1566 includes Carimune NF and Gammagard S/D, both lyophilized (powder) intravenous immune globulin products.

The J code for Gammagard liquid immune globulin is J1569.

IVIG is approved for various diagnoses including primary immunodeficiency disorders, chronic inflammatory demyelinating polyneuropathy (CIDP), Guillain-Barre syndrome, Kawasaki disease, myasthenia gravis, multiple myeloma, autoimmune mucocutaneous blistering diseases, and more as per Medicare coverage policies.

The CPT code for a globulin blood test (serum protein electrophoresis) is typically 84165 (protein electrophoresis), but specific testing codes may vary by the test performed and lab.