2 - 7 days
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Detection of coagulation factor deficiency.
Normal range >= 50%
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect specimen in blue top (citrate) tube. Centrifuge, aliquot plasma into two (2) plastic vials (1 mL each), and freeze the specimen within 2 hours of collection. Transport frozen specimen on dry ice. Proper collection and handling of specimens is critical; see Coagulation tab of the handbook to ensure that the proper technique is used.