Test directory: Magnesium

Ordering Code200
Test NameMagnesium
AliasMg
Preferred SpecimenSerum
Preferred ContainerSST (Gold)
Other Specimen/ContainerPlasma in Lithium Heparin (Green),
Serum in Plain (Red)
Optimum Volume0.5 mL
Transport RequirementsOahu: Ambient
Airline: Refrigerated
Specimen StabilityAmbient: 7 Days
Refrigerated: 7 Days
Frozen: 1 Year
Frozen samples should be thawed only once.
Rejection CriteriaSpecimen older than stability limits, Grossly hemolyzed,
Insufficient quantity
Avail. StatYES
Analytic Time1 Day
MethodologyColorimetric endpoint

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
MagnesiumALL1.6-2.6<= 1.0>= 3.51.6-2.6>= 3.5<= 1.0mg/dL