A healthy result should fall into the range 0 - 650 ng/mL.
The complement C4 test is one of the most frequently used complement component tests. Your doctor may order a complement C4 test if you’re experiencing symptoms that indicate an autoimmune disease. These symptoms may include:
The complement C4 test is also sometimes used to monitor protein levels in people who have already been diagnosed with an autoimmune disease. Complement tests can provide doctors with valuable information about the effectiveness of current treatment for an autoimmune condition.
insert the value from you Complement C4a test result.
Lower-than-normal complement C4 values could indicate:
Higher-than-normal complement C4 values may be a sign of cancer or ulcerative colitis.
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