| Methodology: |
Enzymatic
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| Performed: |
Sun-Sat
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| Reported: |
Within 24 hours
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| Specimen Required: |
Collect: One 5 mL gray (sodium fluoride/potassium oxalate). (Min: 3 mL) Collect on ice. Draw the specimen without the use of a tourniquet or within three minutes of applying the tourniquet, but before releasing the tourniquet. Centrifuge sample within 15 minutes of collection.
Transport: 1 mL plasma at 2-8°C.
Pediatric Collection/Transport: 0.2 mL plasma at 2-8°C.
Remarks: Patient should be fasting and at complete rest. Collect blood without stasis in sodium fluoride/potassium oxalate, followed by immediate chilling of the specimen and separation of cells within 15 minutes. Do not freeze whole blood.
Unacceptable Conditions: EDTA, citrate, or iodoacetate as anticoagulants, or tubes less than half full.
Stability: After separation from cells: Ambient: 8 hours; Refrigerated: 2 weeks; Frozen: 1 month
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