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Test Code PFA Platelet Function Test

Acceptable Collection Tube(s) or Specimen

Blue

Specimen Draw Volume

5.4 mL

Processing Instructions

Draw 2.7 ml each in a two Blue Top tube. Tube must be filled appropriately to the fill line to ensure accurate results. Tubes that are capped and unopened are only stable for 4 hours at Room Temperature.

Stability

Stability: Room Temp 4 hrs

Performed Test Frequency

Everyday

CPT(s)

85576|85576|ADDITIONAL 85576 CHARGED FOR REFLEX COLLAGEN ADP TEST IF COLLAGEN OR EPINEPHRINE IS POSITIVE

Performing Location

MercyOne Des Moines Laboratory, Hematology

Cerner Test Code

PFA

Methodology

Platelet Aggregation

Rejection Criteria

Rejection criteria: Centrifuged or refrigerated specimen. CANNOT BE COMBINED WITH OTHER TEST.