Complement C4 Test

Quantitation of C4 is used to detect individuals with inborn deficiency of this factor or those with immunologic disease in whom hypercatabolism of complement causes reduced levels. These diseases include lupus erythematosus, serum sickness, certain glomerulonephritides, chronic active hepatitis, and others.

A significant deviation from the normal range may require further evaluation by your physician.

Private MD Lab Services offers the following test for Complement C4: