0020039
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Magnesium, Plasma or Serum

MG
Example Reports
Abnormal
Normal

Ordering Recommendation

New York DOH Approval Status

This test is New York state approved.

Specimen Required

Patient Preparation
Collect

Plasma separator tube or serum separator tube.

Specimen Preparation

Allow serum tube to clot completely at room temperature. Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions

Specimens collected in EDTA, oxalate/fluoride. Hemolyzed specimens.

Remarks
Stability

After separation from cells: Ambient: 1 week; Refrigerated: 1 week; Frozen: 1 year

Methodology

Quantitative Spectrophotometry

Performed

Sun-Sat

Reported

Within 24 hours

Reference Interval

By report (reports may vary based on instrumentation)

Interpretive Data



Compliance Category

FDA

Note

Hotline History

N/A

CPT Codes

83735

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Components

Component Test Code* Component Chart Name LOINC
0020039 Magnesium, Serum or Plasma 19123-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.

Aliases

  • Mag
  • Mg
Magnesium, Plasma or Serum