| Test Name: | D-Dimer, Quantitative by ELFA |
| Epic Order Code: | LAB313 |
| CPT Code: | 85378 | | |
| Specimen(s) Type: | Plasma |
| Acceptable Container(s): |  Top is light blue |
| Testing Schedule: | 24 hours/day, 7 days/week |
| Turn Around Time: | STAT: 2 hours |
| | Routine: 4 hours |
| Collection Information: | No special patient preparation. Obtain specimen by standard collection procedures. If only D-Dimer is being collected, draw 1-2 mL into a red top tube, discard and then collect tube for D-Dimer. Tube must be full. |
| Transport Information: | Deliver to lab immediately. All specimens must be signed into the laboratory. |
| Reference Client: | If unable to deliver to the lab within 1 hour, centrifuge the specimen for 10 minutes at 3500 RPM to ensure platelet poor plasma. Remove plasma from cells, taking care to avoid the WBC/platelet buffy layer and place into a plastic vial. Store and transport at room temperature for up to 4 hours. If testing is delayed beyond this, the sample must be stored and transported frozen at -20° C and delivered to lab within 2 weeks. |
| Causes for Rejection: | Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport, clotted. |
| Reference Range: | 0 - 500 ng/ml FEU |
| Additional Information: | |