Lupus Nephritis

**Definition:** Glomerulonephritis associated with autoimmune disease SYSTEMIC LUPUS ERYTHEMATOSUS. Lupus nephritis is histologically classified into 6 classes: class I - normal glomeruli, class II - pure mesangial alterations, class III - focal segmental glomerulonephritis, class IV - diffuse glomerulonephritis, class V - diffuse membranous glomerulonephritis, and class VI - advanced sclerosing glomerulonephritis (The World Health Organization classification 1982).

**Tree numbers:** - C12.050.351.968.419.570.363.680 - C12.200.777.419.570.363.680 - C12.950.419.570.363.680 - C17.300.480.680 - C20.111.590.560

**Synonyms:** - Glomerulonephritis, Lupus - Lupus Glomerulonephritis - Nephritis, Lupus