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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

Specimen Volume

Platelet poor plasma -1 ml aliqout,Whole blood-2.7 mL

Minimum Specimen Volume

Platelet poor plasma-0.5 mL,Whole blood-2.7 mL.

Special Handling Instructions

Spin down,remove plasma and spin again.Double centrifued specimen is critical for accurate results as platelet contamination may cause spurious results.

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

Reference Ranges

0.19-1.00 MG/L FEU,CUTOFF FOR NEGATIVE PREDICTOR OF DVT/PE <0.5

Turnaround Time

Stat-1 hour,routine -4 hours

Day(s) and Time(s) Performed

24 hours a day,7 days a week

CPT Code

85379

Units of Measure

mg/L FEU

LOINC Code

48065-7