D-dimer - Understand the Test - Lab Tests Online
2021-7-20 · For a person who is at low or intermediate risk for blood clotting and/or thrombotic embolism, the strength of the D-dimer test is that it can be used in a hospital emergency room setting to determine the likelihood of a clot’s presence. A negative D-dimer test (D-dimer level is below a predetermined cut-off threshold) indicates that it is highly unlikely that a thrombus is present.
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