Which of the following is Type III RPGN
SLE
IgA nephropathy
Granulomatosis with polyangitis
Cryoglobulinemia
Type III RPGN is the most common type of RPGN. It is "pauci immune type". It doesn't have either anti-GBM antibodies or immune complexes. It is ANCA associated hence the examples are Granulomatosis with polyangitis, microscopic polyangitis.