| Methodology: |
Ion-Selective Electrode
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| Performed: |
Sun-Sat
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| Reported: |
Within 24 hours
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| Specimen Required: |
Collect: One 4 mL plasma separator tube or serum separator tube.
Transport: 1 mL plasma or serum at 2-8°C. (Min: 0.2 mL) Submit specimen in an ARUP Standard Transport Tube.
Pediatric Collection/Transport: 0.2 mL plasma or serum at 2-8°C.
Remarks: Allow serum to clot completely at room temperature. Separate serum or plasma from cells ASAP.
Unacceptable Conditions: Hemolyzed specimens. Specimens collected in sodium fluoride or potassium oxalate, citrate or EDTA.
Stability: After separation from cells: Ambient: 2 weeks; Refrigerated: 2 weeks; Frozen: 6 months
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