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Test Code LAB0298943 Platelet Function Analysis (PFA), Blood

Methodology

PFA-100 Instrument and Test Cartridge System in Which the Process of Platelet Adhesion and Aggregation Following a Vascular Injury is Simulated In Vitro

NOTE:  If the PFA1 (EPI) is abnormal, the PFA2(ADP) will be performed at an additional charge.

Performing Laboratory

CentraCare Laboratory Services

Specimen Requirements

Specimen must arrive in laboratory within 4 hours of draw at ambient temperature.

 

Specimen Type: Whole blood

Container/Tube: 2.7-mL light-blue top (3.2% sodium citrate)

Specimen Volume: Full tube

Collection Instructions:

1. Draw a full tube using a 21-gauge needle or larger. 

2. Gently invert 3 to 5 times to mix blood.

3. Do not refrigerate or centrifuge. 

Additional Information: Do not put specimen on any mixing device or transport in pneumatic tube system.

Specimen Transport Temperature

Ambient/Refrigerated NO/Frozen NO

Reference Values

PFA1 (EPI): 74-182 seconds

PFA2 (ADP): 53-109 seconds

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

85576