ARUP's Laboratory Test Directory
| 0020039: Magnesium, Plasma or Serum |
| Test Mnemonic: MG | |
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#ExistMethodology>
Methodology: Spectrophotometry
*ExistMethodology> #ExistPerformed> Performed: Sun-Sat *ExistPerformed> #ExistReported> Reported: Within 24 hours *ExistReported> |
| Specimen Required: | |
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#ExistCollect>
Collect: One 4 mL PST or SST.
*ExistCollect> #ExistTransport> Transport: 1 mL plasma or serum at 2-8°C. (Min: 0.3 mL) Submit specimen in an ARUP Standard Transport Tube. *ExistTransport> #ExistPedCollectTransport> Pediatric Collection/Transport: 0.2 mL plasma or serum at 2-8°C. *ExistPedCollectTransport> #ExistRemarks> Remarks: Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP. *ExistRemarks> #ExistConditions> Unacceptable Conditions: Specimens collected in EDTA, oxalate/fluoride. Hemolyzed specimens. *ExistConditions> #ExistStability> Stability: After separation from cells: Ambient: 1 week; Refrigerated: 1 week; Frozen: 1 year *ExistStability> |
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| Reference Interval: |
| #ExistRefRange> By report (reports may vary based on instrumentation) *ExistRefRange> |
| CPT Code(s): | |
| 83735 |