C4 COMPLEMENT COMPONENT TEST

The C4 complement test is a test to measure the level of C4 proteins you have in your blood. These proteins play a role in how your immune system functions and defend your body from harmful bacteria and viruses. Monitoring your C4 protein levels can help doctors to diagnose and monitor certain chronic medical conditions. Here is what you need to know about complement component 4 proteins, who can benefit from a C4 complement blood test, and information about C4 test results.