Test directory: Fibrinogen

Ordering Code508
Test NameFibrinogen
AliasFactor I
Preferred SpecimenPlasma
Preferred ContainerCitrate, 3.2% (Lt Blue)
Other Specimen/ContainerWhole Blood in Citrate, 3.2% (Lt Blue) if testing is done within 10 hours.
Optimum VolumePlasma = 1 mL
Whole Blood = Entire tube
Collection InstructionsDraw full tube
Mix tube well
Handling InstructionsIf submitting plasma: double centrifuge, separate and freeze immediately. Do NOT thaw once specimen is frozen.
Transport RequirementsOn Oahu: Ambient if Whole Blood and testing is done
within 10 hours.
Airline: Frozen (Plasma)
Note: Send Frozen Plasma if testing will be done >10 hours
from collection.
Specimen StabilityAmbient: 10 hours Whole Blood (unopened tube)
Ambient: 8 hours Plasma
Frozen: 2 weeks Plasma
Rejection CriteriaClotted, Contaminated, Hemolyzed,
Improperly filled or underfilled tube,
Specimen older than stability limits.
Avail. StatYES
Analytic Time1 Day
MethodologyClot Detection

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info