Factor V Activity, Clotting
Also known as: Labile Factor, Proaccelerin
Use
Factor V activity testing is used to evaluate for congenital or acquired deficiencies of coagulation factor V, often in the investigation of abnormal prothrombin time or bleeding disorders. It helps identify potential causes such as rare inherited deficiencies or liver‐related or consumptive coagulopathies.
Special Instructions
Not provided.
Limitations
Not provided.
Methodology
Immunoassay (Multiplex Protein Panel)
Biomarkers
Result Turnaround Time
1-2 days
Related Documents
For more information, please review the documents below
Specimen
Plasma
Volume
1.5 mL
Minimum Volume
Not provided
Container
Light Blue Top (Sodium Citrate)
Collection Instructions
Collect 2 light blue top (sodium citrate) tubes via venipuncture; separate platelet-poor plasma within 4 hours and freeze immediately.
Storage Instructions
Transport frozen.
Causes for Rejection
Clotted or under filled tubes; excessive hemolysis, icterus, or lipemia; specimens over 4 hours old at room temperature
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 4 hours |
| Frozen | 14 days at -20 °C or 6 months at -70 °C |