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Dimer, fibrin degradation fragment.

Common Use:
To assist in diagnosing a diffuse state of hypercoagulation as seen in disseminated intravascular coagulation (DIC), acute myocardial infarction (MI), deep venous thrombosis (DVT), and pulmonary embolism (PE).

Plasma collected in a completely filled blue-top (3.2% sodium citrate) tube. If the patient’s hematocrit exceeds 55%, the volume of citrate in the collection tube must be adjusted.

Normal Findings:
(Method: Immunoturbidimetric)

Conventional Units (FEU = Fibrinogen Equivalent Units)SI Units (Conventional Units × 5.476)
0–0.5 mcg/mL FEU0–2.7 nmol/L
Levels increase with age.

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