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D Dimer
Test CodeLAB313
CPT Codes
85379
Instructions
1 citrated plasma blue top tube. Minimum volume is 0.5 mL citrated plasma
Specimen Stability
24 hours Room Temperature.
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Do not use a syringe for collection. The specimen will be rejected ifclotted, visibly hemolyzed, icteric, or improperly filled. Failure to follow porper colelction and handling instructions.
Methodology
ELISA
Setup Schedule
Daily/ STAT
Report Available
Within 24 hours/ STAT
Reference Range
"0-500 ng/mL
Patients with a low to intermediate clinical probability of DVT or PE and a D-Dimer of less than 500 ng/ml are unlikely to have venous thromboembolism.
An elevated result is not specific for a diagnosis of thromboembolism and may be secondary to numerous clinical conditions."
Patients with a low to intermediate clinical probability of DVT or PE and a D-Dimer of less than 500 ng/ml are unlikely to have venous thromboembolism.
An elevated result is not specific for a diagnosis of thromboembolism and may be secondary to numerous clinical conditions."
Clinical Significance
The D-Dimer is the only marker for thrombotic disorders. Otherphysiological and clinical conditions may lead to high levels. Theseinclude age, pregnancy, hematomas, infectious or inflammatory syndromes,and cancers. Measurement can be of use as an aid in the diagnosis ofDIC.
