D-Dimer

D-dimer
Core Laboratory & Transfusion Medicine
Hematology
Blood
DDINN

MSH Coagulation requisition form (MS 520)
D-Dimer is elevated in disseminated intravascular coagulation (DIC), deep venous thrombosis (DVT), and pulmonary embolism (PE)
Plasma (3.2% Na Citrate)
Full draw
Light Blue citrate tube
Collection Containers – Tube Types
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
Room Temperature: 12 hours
Fridge:2 – 8 °C 24 hours
Freezer: - 20 °C 2 weeks - 70 °C 6 months
Automated Coagulation Analyzer
24 hours, 7 days/week.
90 minutes.
4 hours
< 0.5 mg/L FEU
NPV for DVT/PE: <0.5 mg/L FEU 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