| Methodology: |
Clotting
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| Performed: |
Mon-Fri
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| Reported: |
1-4 days
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| Specimen Required: |
Collect: One 5 mL lt. blue (sodium citrate). Refer to the Hemostasis/Thrombosis Specimens section in the front of this User's Guide for special collection instructions.
Transport: 2 mL platelet-poor plasma, frozen. (Min: 1 mL) Submit specimen in an ARUP Standard Transport Tube.
Pediatric Collection/Transport: 1 mL platelet-poor plasma, frozen.
Remarks: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. For hemophiliacs: note dose, date, and time of last factor IX concentrate infusion.
Unacceptable Conditions: Serum. Nonfrozen or hemolyzed specimens.
Stability: Ambient: 4 hours; Refrigerated: 4 hours; Frozen: 2 weeks
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