Platelet function assay

Platelet function assay is a topic covered in the Guide to Diagnostic Tests.

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Test/Range/Collection

Platelet function assay (PFA-100 closure time), blood

CEPI: 70–170 seconds

CADP: 50–110 seconds

(laboratory-specific)

Blue

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Specimen must be kept at room temperature and the test should be performed within 4 hours of collection.

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