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Test Name:
Prekallikrein, Citrated Plasma
Alternate Name: Fletcher Factor, PK
LIS Mnemonic: Meditech: PREKAL
Specimen Type: Light Blue Sodium Citrate Tube, Blood
Collection Information: Must be a full draw. Fill to exhaustion.
Reference Interval: 0.50 - 1.50 U/mL
Turnaround Time: 20 days
Method of Analysis: Clot Based STA-R Analyzer
Test was Last Updated: 2/2/2017
Testing Laboratory: Special Coagulation
Testing Site: MUMC
Laboratory Processing Instructions: 1.0 mL Plasma. Prepare as per approved procedure for platelet poor plasma. If fresh send within 4 hours at room temperature or on dry ice.
LRC Specimen Requirement: 1 mL platelet poor Sodium Citrated Plasma
LRC Specimen Handling Instructions:
Sodium citrate platelet-poor plasma into 1 mL aliquots. Separate and freeze immediately. Please send 1 aliquot per individual test ordered. Send appropriately in same dry ice container.