Additional information
| REQUIREMENT(S) | 3CC CLOTTED BLOOD OR SERUM |
|---|---|
| SPECIMEN | BLOOD |
| TEST DURATION | 4 TO 5 DAYS |
Complement level 3 (C3)
Complement component 3 (C3) Complement C3 is a blood test that measures the activity of a certain protein. This protein is part of the complement system. The complement system is a group of nearly 60 proteins that are in blood plasma or on the surface of some cells.