Decreased C4 level is associated with acute systemic lupus erythematosis, glomerulonephritis, immune complex disease, cryoglobulinemia, congenital C4 deficiency and generalized autoimmune disease.
Inform your doctor if you are on any medications, have any allergies or underlying medical conditions before your C4 Complement. Your doctor will give specific instructions depending on your condition on how to prepare for C4 Complement.
Gender | Age groups | Value |
OTHER | All age groups | 12 - 75mg/dl |