| Methodology: |
Chemiluminescent Immunoassay/Tandem Mass Spectrometry
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| Performed: |
Sun-Sat
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| Reported: |
Next day for Vitamin B12; 4-6 days if MMA is performed
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| Specimen Required: |
Collect: One 7 mL plain red or serum separator tube.
Transport: 3 mL serum, frozen. (Min: 1.5 mL) Submit specimen in an ARUP Amber Transport Tube. Protect from light.
Pediatric Collection/Transport: 2 mL serum, frozen. (Min: 1.5 mL) Protect from light.
Remarks: Protect from light during collection, storage and shipment.
Unacceptable Conditions: Plasma. Grossly hemolyzed or lipemic specimens.
Stability: After separation from cells: Ambient: 8 hours; Refrigerated: 2 days; Frozen: 1 month
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