Magnesium, Plasma

Overview
Department	Biochemistry
Test Code
Synonyms	Mg Magnesium Sulphate Mg, plasma MgSO4, plasma
Turnaround Time	2 – 8 hrs
Specimen Requirements
Specimen Type	Serum Plasma
Specimen Transportation
Preferred	6 mL Plain Red-Top
Acceptable	4 mL Li-Heparin Green-Top
Pediatric Requirements	600 µL  Li-Hep Microtainer
Aliquot Requirements
Sample Type
Minimum Volume
Aliquot Transportation
Stability – Add test
Clinical Information
Reference Intervals	0.6 - 1.2 mmol/L
Test Method	Arsenazo dye colour complex at 572nm. Ci8200 analyser
Advanced Notice
Patient Preparation
Comments