Laboratory Medicine
Test Directory / D-Dimer
D-Dimer
Citrated Plasma
| Test | D-Dimer |
|---|---|
| Common Abbreviations | DD |
| Profile | Coagulation Screen added on the same sample |
| Clinical Indication | D-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 Type | Blood |
| Sample Type | Citrated Plasma |
| Minimum Volume | 1 x 3 mL (adult) 1 x 1 mL (paed) (citrated plasma must be filled to bottle line) |
| Special Precautions | Refer to Trust protocol |
| Stability | 24 hrs |
| Turnaround Time | 1 hour (urgent) 4 hours (routine) |
| Laboratory | York & Scarborough Hospital |
| Reference Interval | Age adjusted reference range printed on final report. |
| Limitations | Haemolysis, 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 |
