Test directory: Factor XI Activity

Ordering Code4325
Test NameFactor XI Activity
Preferred SpecimenPlasma
Preferred ContainerCitrate, 3.2% (Lt Blue)
Other Specimen/ContainerNone
Optimum Volume3 mL
Collection InstructionsDraw full tube.
Handling InstructionsDouble centrifuge plasma within 60 minutes of collection
Separate and freeze immediately
Strict frozen. Do not thaw.
Transport RequirementsOahu: Frozen
Airline: Frozen
Specimen StabilityFrozen: 2 Weeks
Other: Frozen Only
Rejection CriteriaClotted, Hemolyzed, Ambient, Refrigerated, Thawed, Under filled tube, Over filled tube
Avail. StatNO
Analytic TimeUp to 5 Days
MethodologyPhotometric Clot Detection
Reference Lab Quest Diagnostics Infectious Disease

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Factor XI ActivityALLSee report.