C4 complement factor

C4 complement factor from Serum code C4C4PAutoimmundiagnostik
Komplement Lupus erythematodes

This test is requested by foreign doctors during a fertility procedure.

This test is done when complement deficiency or complement-binding immune reactions are suspected; Differential diagnosis of recurrent infections, glomerulonephritis, congenital angioneurotic edema or hemolytic anemia; Progression diagnosis in complement-activating autoimmune diseases such as SLE or Sjögren's syndrome
Assessment reduction of immune complex diseases, SLE, glomerulonephritis, C4-complement factorordeficiency, recurrent infections, congenital angioneurotic edema, autoimmune hemolytic anemia. C4 complement factor is elevated in acute phase reactions, which may mask complement deficiency.

reference values: 10 - 40 mg/dlMethod
: Turbidimetry (TURB)