11 days
Radioimmunoassay (RIA)
Accredited Laboratory Partner
Contact Technical Support
Activation marker of C4 complement. Elevated in immune activation.
Plasma (EDTA) with Futhan preservative
1 mL
Lavender-top (EDTA) 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.
Strictly frozen, requires own sample container
| Temperature | Period |
|---|---|
| Room temperature | 6 hours |
| Refrigerated | 5 daysL182 |
| Frozen | 14 days |
| Freeze/thaw cycles | stable x1 |
11 days
Radioimmunoassay (RIA)
Accredited Laboratory Partner
Contact Technical Support
Activation marker of C4 complement. Elevated in immune activation.
Plasma (EDTA) with Futhan preservative
1 mL
Lavender-top (EDTA) 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.
Strictly frozen, requires own sample container
| Temperature | Period |
|---|---|
| Room temperature | 6 hours |
| Refrigerated | 5 daysL182 |
| Frozen | 14 days |
| Freeze/thaw cycles | stable x1 |