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Mixing Study: Specimen Requirements
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Detecting and Evaluating Coagulation Inhibitors and Factor Deficiencies (retired 5/27/2014)
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Mixing Study: Specimen Requirements
The specimen drawn for a mixing study must meet the following conditions for accurate testing:
A properly filled 3.2% sodium citrate tube must be collected.
Proper centrifugation to create platelet-poor plasma for analysis must occur; the presence of platelet phospholipids can interfere with the mixing study if an anti-phospholipid antibody is present.
Testing must be performed within 4 hours of collection.
http://www.ncnr.nist.gov/userlab/e134.html
Properly Filled Sodium Citrate Tube
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