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MCL Laboratory specimen collection and test information
Blue Top
Platelet Function Screen
3 ml
Alternative name(s) Bleeding time (replaces), PFA, PFA-100, Aggregation

Lab section Core Lab    
When performed Monday - Friday 0700h-1530h    
When reported
 Monday-Friday 0700h-1530h    
   
Sunquest code:
 PFAQ
EPIC Code:
 PLATELET FUNCTION TEST
   
Important notes: This test replaces the Bleeding Time for routine use as of January 2005. Keep at room temperature. DO NOT SHAKE Transport ASAP. Must be tested within four hours of collection. Never transport in a pneumatic tube system. Must be hand carried to the lab. Collect during day shift hours M-F. Must be tested in fresh state. Cannot be saved.
Rejection criteria: Must collect during day shift hours M-F. Must be tested in fresh state. Cannot be saved.
Transportation notes: Keep at room temperature. DO NOT SHAKE Transport ASAP. Must be tested within four hours of collection. Never transport in a pneumatic tube system.
Specimen preparation:

MCL Web resources Specimen packaging pages Reference lab 
MCL Web Resources
Last revised 11/14/2012