Intravenous Immune Globulin (IVIG) (J1566, J1599) Specific brand names: Flebogamma® (J1572), Gammagard® liquid (J1569), Gammaked® (J1569), Gammaplex® (J1557), Gammunex® (J1561), Gammaplex (J1557), ...... You may also qualify for IVIG if you...to treat your condition. IVIG may be approved for warm-type autoimmune...