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HelpOrder Code PTT Partial Thromboplastin Time
Additional Codes
Epic Order ID LAB2629
Sub activity Type
Coagulation
Collection tube (preferred)
Blue
Specimen Type
Plasma
Stability
4 hours at 2-8°C
4 hours at room temp (20-23°C)
Transport temperature
Frozen plasma
Rejection Criteria
Clotted specimen, specimen greater than 4 hours old if plasma is not frozen, incorrect fill volume in original tube, grossly hemolyzed, grossly lipemic.
Notes
Sodium citrate whole blood in original unopened collection tube delivered to the lab within 3 hours of collection. If frozen aliquot is sent, do not allow to thaw in transit.