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Test Code LAB313 D-Dimer

Performing Lab

Arnot Ogden Medical Center/ Ira Davenport Memorial Hospital

Ordering Recommendations

Diagnosis of intravascular coagulation and fibrinolysis, also known as disseminated intravascular coagulation, especially when combined with clinical information and other laboratory test data (eg, platelet count, assays of clottable fibrinogen and soluble fibrin monomer complex, and clotting time assays-prothrombin time and activated partial thromboplastin time).


Excluding the diagnosis of acute pulmonary embolism or deep vein thrombosis, particularly when results of a sensitive D-dimer assay are combined with clinical information, including pretest disease probability.

Collect

Citrated Plasma

Collection Device

Sodium Citrate Blue Top Tube

Minimum Requirements

FULL BLUE TOP TUBE

Collection Instructions

  • Blue top tubes should NOT be the first tube drawn.
  • Tubes should be allowed to fill until the vacuum is exhausted and blood flow ceases.  

Rejection Criteria

Hemolyzed, clotted, short draw or overfilled specimens are not acceptable and must be redrawn.

Stability (from collection to initiation)

Room Temp

24 Hours
Refrigerated 24 Hours*
Frozen 14 Days*

*Sample must be centrifuged and decanted within 4 hours.

Storage/Transport Temperature

Room Temp, Refrigerated, or Spun and Frozen*

*Must be spun and separated with 4 hours.

Contact laboratory for pediatric draws.

Remarks

TURN AROUND TIME

STAT 1 Hour
Routine 8 Hours

Methodology

Turbidimetric Immunoassay

Start Date

9/13/2017

Last Review Date

06/24/2025

7/3/25 AP

7/31/2025 JLH