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Protime/PTT Panel
MessageIndicate if patient is on anticoagulants.
Test Code
LAB4012
Preferred Specimen
Completely fill a Light blue (Sodiumcitrate)
Instructions
Mix sample immediately by gently inverting at least 6 times
Transport Temperature
If transport time will exceed 4 hours, send platelet-poor plasma frozen to -20C or less
Specimen Stability
Whole blood: Ambient:;4 hours, Refrigerated: Unacceptable, Frozen: Unacceptable
After;separation;from cells: ;Ambient: 4 hours, Refrigerated: 4 hours, Frozen:;2 week;
After;separation;from cells: ;Ambient: 4 hours, Refrigerated: 4 hours, Frozen:;2 week;
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Improperly filled tubes, clotted, or hemolyzed
Methodology
Stago Compact

