D-Dimer




Test Mnemonic

DDMER

CPT Codes

  • 85379 - QTY (1)

LOINC ®

48065-7

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
1 mLPlasmaSodium citrate (Lt. Blue) Centrifuge, aliquot and freeze ASAP.Collection tube must be filled to total fill volume. Inadequately filled tubes will be rejected. NonTesting Sites: Centrifuge, aliquot platelet poor plasma into a separate tube with Epic Beaker label, freeze plasma at -20C, send frozen plasma to Main Campus on dry ice.
1.8 mLWhole bloodSodium citrate (Lt. Blue) Centrifuge, aliquot and freeze ASAP.Collection tube must be filled to total fill volume. Inadequately filled tubes will be rejected. NonTesting Sites: Centrifuge, aliquot platelet poor plasma into a separate tube with Epic Beaker label, freeze plasma at -20C, send frozen plasma to Main Campus on dry ice.

Stability

Environmental Condition Description
Ambient4 hours
Frozen4 weeks at < -18 C, if frozen at 4 hours

Days Performed

Sun - Sat

Turnaround Time

1 - 8 hours

Methodology

Name Description
Turbidimetric Immunoassay (TUI) 

Reference Range

D-Dimer
Sex Age From Age To Type Range Range Unit
       Normal< 500ng/mL FEU

Special Info

3.2% sodium citrate is the preferred anticoagulant recommended by CLSI.

Clinical Info

Useful in the evaluation of DIC and fibrinolytic abnormalities. Useful in the evaluation of deep vein thrombosis A negative result (<500 ng/mL) may be helpful in the exclusion of venous thrombosis.