| Methodology: |
Chromogenic Assay
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| Performed: |
Sun-Sat
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| Reported: |
Within 24 hours
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| Specimen Required: |
Collect: Lt. blue (sodium citrate). Refer to Specimen Handling at aruplab.com for hemostasis/thrombosis specimen handling guidelines.
Specimen Preparation: Centrifuge specimen within one hour of collection. Transport 2 mL platelet-poor plasma. (Min: 1 mL)
Storage/Transport Temperature: Frozen.
Remarks: Record heparin type on test request form.
Unacceptable Conditions: Serum. EDTA, oxalate, heparin, or plasma separator tubes. Specimens refrigerated more than eight hours. Hemolyzed specimens.
Stability (collection to initiation of testing): After separation from cells: Ambient: 4 hours; Refrigerated: 8 hours; Frozen: 1 month
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