C4
48 hours
Immunoturbidimetric
Accredited NRL Laboratory
Monday, Wednesday and Friday. Cut-off 7pm
It is part of the classical complement pathway and is measured to evaluate immune system activity, particularly in autoimmune diseases like lupus (SLE).
Serum
0.5 mL
Red top tube or Gel barrier tube
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Refrigerated | 2 days |