PT/PTT (includes INR)
APTT, PTT,PTINR | |
Core Laboratory & Transfusion Medicine | |
Hematology | |
Blood | |
PTPTT
|
MSH Coagulation requisition form (MS 520)
See individual test information for PTINR and APTT
Plasma (3.2% Na Citrate)
Full draw
Adult: 2.7 mL
Pediatric Micro tube: 1 mL
Pediatric Micro tube: 1 mL
Send whole blood sample(s) at room temperature as soon as possible.
If specimens cannot be shipped immediately, centrifuge and separate plasma within 1 hour of collection, send frozen plasma on dry ice
If specimens cannot be shipped immediately, centrifuge and separate plasma within 1 hour of collection, send frozen plasma on dry ice
See individual Sample stability for PTINR and APTT
Automated Coagulation Analyzer
24 hours, 7 days/week.
1 hour
2 hours
See individual ranges and values for PTINR, APTT In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.
416-586-4800 Extension 4688
Must indicate anticoagulant status