Within 24 hours
New York DOH Approval Status
Plasma separator tube or serum separator tube.
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)
Specimens collected in EDTA, oxalate/fluoride. Hemolyzed specimens.
After separation from cells: Ambient: 1 week; Refrigerated: 1 week; Frozen: 1 year
By report (reports may vary based on instrumentation)
|Component Test Code*||Component Chart Name||LOINC|
|0020039||Magnesium, Serum or Plasma||19123-9|