Sign in →

Test Code QDD/LAB313 D-Dimer, Quantitative

Performing Laboratory

Asante Rogue Regional Medical Center / Asante Three Rivers Medical Center / Asante Ashland Community Hospital

Specimen Requirements

Blue top tube - Refer to ORDER OF DRAW

 

Note:  The ratio of blood to anticoagulant is critical.

Vacutainers must draw their full volume.

Syringe Draw:     

4.5 mL blood in 5 mL Blue top tube

2.7 mL blood in 3 mL Blue top tube

1.8 mL blood in 2 mL Blue top tube

 

Specimens will not be accepted if tubes are not filled to their correct volume.

If multiple tests are drawn, draw coagulation studies first or second

Specimen Transport Temperature and Stability

RRMC

Stable 4 hours unopened or opened, room temperature or refrigerated.

After 4 hours specimen must be centrifuged and plasma separated from cells. Freeze plasma. Good for 24 hours frozen.

 

TRMC and ACH

Specimen acceptable storage limit: 24 hours at room temperature or refrigerated.

Specimen Minimum Volume

1 properly filled 2 mL Blue top tube

Reasons for Rejection

Quantity not sufficient (QNS)

Specimens not filled to correct volume

Lacking Two Patient Identifiers:

         1-Patient's First & Last name 

         2-Patient's Date of Birth

Day(s) Test Set Up

Monday through Sunday

Routine - same day

ASAP - 2 hours after receipt of specimen in lab

STAT - 1 hour after receipt of specimen in lab

Additional Information

1. This quantitative D-Dimer Assay is a highly reliable, non-invasive test intended for use as an aid in the exclusion of the diagnosis of Pulmonary Embolism (PE) and Deep Vein Thrombosis (DVT).  A D-Dimer value below 230 ng/mL D-Dimer Units allows one to exclude a diagnosis of DVT and/or PE in about 30% of outpatients believed to be at risk.  A significant number of such patients could have their work-up stopped in the setting of a low clinical suspicion.

2. This quantitative test is also used as a screening test for Disseminated Intravascular Coagulation (DIC).

Methodology

Immunoturbidimetric

Performing Department

Hematology

Test Classification and CPT Coding

85379  -  Fibrin degradation products, D-dimer; quantitative

Billing Code

2011872