Children's Mercy Hospitals and Clinics
Name
Platelet Function Screen

Synonyms
PFA

CMH Lab Section
Hematology

Specimen Requirements
2- 2.7 mL sodium citrate blue top tubes and 1- 3 mL EDTA lavender tube

Availability
Routine

Turn Around Time
4 hours

Special Instructions
Send to Lab ASAP

Processing Instructions
Do not spin

Methodology
Dade PFA-100

Ranges
Units = SEC
COL/EPI = 83-160
COL/ADP = 55-120

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