Class IV lupus nephritis is:
Classification of Lupus Nephritis Class I Minimal Mesangial Lupus Nephritis Class II Mesangial Proliferative Lupus Nephritis Class III Focal Proliferative Lupus Nephritis Class IV Diffuse Proliferative Lupus Nephritis Class V Membranous Lupus Nephritis Class VI Advanced Sclerotic Lupus Nephritis
Mesangial lupus nephritis
Proliferative lupus nephritis
Membranous lupus nephritis
Diffuse lupus nephritis
Primary Immunodeficiency