The use of intravenous immune globulin should be reserved for patients with serious defects of antibody function. The goal is to provide immune globulin to those who lack it. Medicare will provide coverage for intravenous immune globulin when it is used in treatment of the following conditions: Primary immunodeficiency. Immune-mediated Thrombocytopenia (ITP). Kawasaki disease. Human … Continue reading CPT Jcode – J0850, J1459, J1561, J1568, J2788 – Intravenous Immune Globulin (IVIG)