Properdin Factor B (Factor B Level)
62 days
Radial Immunodiffusion (RID)
Accredited Laboratory Partner
Contact Technical Support
Alternative complement pathway protein. Used in atypical HUS workup.
Plasma
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.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Frozen | Contact Technical Support |