Intrinsic Factors
7 days
See individual tests.
Test Includes: Factor VIII, factor IX, factor XI, factor XII, lupus anticoagulant with reflex
Accredited Laboratory Partner
Contact Technical Support
Extended clotting time test. Investigates bleeding disorders or anticoagulant therapy.
Plasma
3 mL
Blue top (sodium citrate) tube
Avoid warfarin (Coumadin(R)) therapy for 2 weeks and heparin therapy for 2 days prior to the test
Citrated Plasma samples should be collected by double centrifugation
| Temperature | Period |
|---|---|
| Frozen | Contact Technical Support |