Magnesium

Test Code: TD_CH119

CPT Code(s): 83735

Test Details

N/A

Quantitative Magnesium

Enzymatic

Gross Hemolysis
Frozen samples
Samples with less than 1 mL blood
Samples submitted in inappropriate anticoagulant

1.60-2.60 mg/dL

3.2 uL Serum

8 hours room temperature
3 days refrigerated
3 months frozen

Refrigerated

Allow sample to clot in an upright position for at least 30 minutes, then centrifuge sample. Refrigerate.

Plain red serum tube- serum removed and transferred to transport tube within 2 hours of collection
Lithium heparin plasma
Sodium heparin plasma