Test Code DDIMER D-Dimer
Collection Container
Light Blue
Specimen Required
Platelet poor plasma, whole blood if received in laboratory within 4 hours of collection
Special Handling Instructions
Spin down, remove plasma and spin again. Double centrifuged specimen is critical for accurate results as platelet contamination may cause spurious results.
Specimen Volume
Platelet poor plasma: 1 mL aliquot, Whole blood: 2.7 mL
Minimum Specimen Volume
Platelet poor plasma: 0.5 mL aliquot, Whole blood: 2.7 mL.
Transport Temperature
Platelet poor plasma: frozen, Whole blood: ambient temperature
Specimen Stability
Whole blood: 4 hours
Reasons for Rejection
Hemolyzed, clotted, Whole blood >4 hours old
Methodology
Immunoturbidimetric
Days and Times Performed
24 hours a day, 7 days a week
Turnaround Time
Stat: 1 hour, Routine: 4 hours
Reference Ranges
0.19 - 1.00 mg/L FEU, Cutoff for negative predictor of DVT/PE: <0.5
CPT Code
85379
LOINC Code
48065-7
EMR Interface Order Code
33850