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Hemostasis - PFA-100
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Test Description
Test Name
PFA-100
Synonym(s)
Platelet Function Assay
Description
The PFA-100 is an instrument and test cartridge system in which the process of platelet adhesion and aggregation following a vascular injury is simulated in vitro. This system allows for rapid evaluation of platelet function on small samples of anticoagulated whole blood.
Methodology
Aggregation
Performed
Sunday-Saturday
Turnaround Time
1-3 days
Specimen Requirements

7 mL sodium citrate whole blood (light blue top tube) and 5 mL EDTA (lavender top tube).  Do not centrifuge tubes.  Transport at room temperature.

CRITICAL WARNING:  Specimen must remain at room temperature and be received into the laboratory within 1 hours after collection.

Rejection Criteria
Plasma hemolyzed, thawed or contaminated with heparin.
CPT Code(s)
85576 X 2
Reference Range
See interpretive report.
Contact Information
Hemostasis Lab: 214-645-5067
Customer Service: 214-645-7057, Toll Free 877-887-8136
Last Modified: 01/05/2011