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Laboratory Medicine

Test Directory / D-Dimer


Citrated Plasma

Common AbbreviationsDD
Profile Coagulation Screen added on the same sample
Clinical IndicationD-dimer tests are requested, along with other laboratory tests and imaging scans, to help exclude, diagnose, and monitor diseases and conditions that cause hypercoagulability. A negative D-dimer indicates that a VTE may be excluded if low two-level Wells Score. Measurements of D-dimer may also be requested, along with other tests, to help diagnose and monitor DIC (Disseminated Intravascular Coagulation).
Specimen TypeBlood
Sample TypeCitrated Plasma
Minimum Volume1 x 3 mL (adult) 1 x 1 mL (paed) (citrated plasma must be filled to bottle line)
Special PrecautionsRefer to Trust protocol
Stability24 hrs
Turnaround Time1 hour (urgent) 4 hours (routine)
LaboratoryYork & Scarborough Hospital
Reference IntervalAge adjusted reference range printed on final report.
LimitationsHaemolysis, gross lipaemia, high haematocrit may interfere with measurement. Over or under filled samples cannot be used due to ratio between blood and citrate
Additional Information
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