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Platelet Function Time B
MessagePerforming Lab: Lakeview, Regions, Westfields
Test Code
686
Alias/See Also
Sunquest: PFCTA; Platelet Function Closure time, Collagen & ADP
Preferred Specimen
2.7 mL (in 3 mL tube) 3.2% Sodium Citrate Plasma (light blue-top) tube filled to fill line on the tube.
Minimum Volume
2.7 mL
Instructions
Do NOT centrifuge specimens
Lab order only
Lab order only
Transport Temperature
Room Temperature
Specimen Stability
Room Temperature: 8 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Refrigerated or Frozen
Methodology
Platelet aggregation
Setup Schedule
Daily
Report Available
Same Day
Reference Range
<120 seconds
Clinical Significance
The Collagen/Epinephrine (COL/EPI) Test Cartridge is the primary cartridge used to detect platelet dysfunction induced by intrinsic platelet defects, von Willebrand disease or exposure to platelet inhibiting agents. The Collagen/ADP (COL/ADP) Test Cartridge is used to indicate if an abnormal result obtained with the COL/EPI Test Cartridge may have been caused by the effect of acetyl salicylic acid (ASA) or medications containing ASA.
