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D-DIMER QN

 
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Description
 

D-Dimer Quantitative Lab Test (Clot Detection Blood Test)

CPT Code(s)

85379

Methodology

Immunoturbidimetric

Limitations

In patients with low or moderate probability of clots in the deep veins of the leg, a negative D-Dimer result generally rules out DVT. Some patients with blood clots will be false-negatives. This is most common among older patients, those who have undergone prolonged hospitalization, and those with markedly elevated C-reactive protein levels.

Reference Range(s)

<0.50 µg/mL FEU

Clinical Significance

D-Dimer is one of the measurable by-products of activation of the fibrinolytic system. Quantitation of D-Dimer assesses fibrinolytic activation and intravascular thrombosis. D-Dimer is of particular value in excluding the diagnosis of venous thromboembolism among patients at high risk.


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