Bethesda Titer
10 days
The factor VII inhibitor (Bethesda titer) assay is performed using a prothrombin time-based system, using thromboplastin reagent.
Test Includes: Activated partial thromboplastin time (aPTT), factor VII activity, factor VII Bethesda titer, prothrombin time (PT), PT 1:1 mix with normal plasma, PT 1:1 mix with saline
Accredited Laboratory Partner
Contact Technical Support
Evaluates for the presence of inhibitors against Factor V. Used when Factor V activity is low to identify acquired bleeding disorders.
Plasma
6 mL (2 mL in each of 3 tubes)
Blue top (sodium citrate) 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.
Citrated Plasma samples should be collected by double centrifugation
| Temperature | Period |
|---|---|
| Frozen | Contact Technical Support |
Bethesda Titer
10 days
The factor VII inhibitor (Bethesda titer) assay is performed using a prothrombin time-based system, using thromboplastin reagent.
Test Includes: Activated partial thromboplastin time (aPTT), factor VII activity, factor VII Bethesda titer, prothrombin time (PT), PT 1:1 mix with normal plasma, PT 1:1 mix with saline
Accredited Laboratory Partner
Contact Technical Support
Evaluates for the presence of inhibitors against Factor V. Used when Factor V activity is low to identify acquired bleeding disorders.
Plasma
6 mL (2 mL in each of 3 tubes)
Blue top (sodium citrate) 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.
Citrated Plasma samples should be collected by double centrifugation
| Temperature | Period |
|---|---|
| Frozen | Contact Technical Support |