Clínic Barcelona. Hospital Universitari

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Platelet function complementary study (PFA-100), whole blood

Fee code: 7915


Maribel Díaz Ricart


> Pathology Department

Method description

Platelet adhesion under flow

Delivery time

7 days

Note to delivery time


The determinations must be carried out in 4-5 hours following the extraction. These determinations are not deferrable. To be able to process, samples must reach the laboratory at 15:00 hours deadline

Specimen type

Whole blood

Specimen volume

2,7 mL

Specimen minimum volume

2 mL

Collection instructions


Preanalytic treatment


Transport conditions

At room temperature

Rejection criteria

Clotted sample, Fresh preservated sample, Hemolysis, Lipemic plasma, Sample with platelet count lower than 80,000 per microliter, Sample collected at the wrong time interval or improper transportation conditions, Incorrect proportion of anticoagulant


Reference values

Values Units   Age  
PFA Collagen / Epinephrine < 137 seconds    
FA Collagen / ADP < 105 seconds    

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Biomedical Diagnostic Center (CDB)

Villarroel, 170 · 08036 Barcelona
Tel: +34 93 227 54 64 · Fax: +34 93 227 98 75 · ·