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Laboratory: Hematology
Test Name:
COAGULATION ASSESSMENT - HSC - (P)
Test Code: PTTC
Clinical Information:
Clinical Hematologist consult required prior to collection.
Test performed at: 
HSC Hemostasis Laboratory 
Collection Devices:
Preferred Device:
4 - Na Citrate 1.8mL Tube(s) - Full Tube Collection
Specimen Required:
Plasma: 2.0 mL
Pediatric Plasma: 1.0 mL

Spin sample once. Aliqout sample into another tube. Spin sample again and aliqout the sample into another tube. Freeze sample at -20°C and then ship to HSC. 

WRHA: If sample is urgent, send plasma within 4 hours of collection at room temperature. 
Referral:
Requisition:
Reference Values:
See report. 
Availability:
By Hematologist/Hematopathologist order only
See Also:
More Information:
Coagulation Assessment test code includes the following: PT, INR, PTT, Fibrinogen , Factor Assays, Other studies if needed (Lupus Anticoagulant, Thrombin Time)