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