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About This Test

Department: Biochemistry


  • Gel/clotted (yellow/red top)

Add-on requests are accepted


Turnaround Time:

Within 24 hours


Investigation of malabsorption/renal disease/electrolyte dysfunction and response to magnesium therapy

Low magnesium levels can cause low potassium and low calcium levels - the Duty Biochemist may add magnesium analysis if appropriate

Reference ranges:

Age range Reference ranges (mmol/L)
All ages/sexes 0.7 - 1.0

Derived from Pathology Harmony 2011

Results outside the reference range do not necessarily indicate disease. Similarly, results within the reference range do not preclude abnormality. Please contact the Duty Biochemist for discussion of individual patient results

Other Comments:

For more information, please see the following: Magnesium - Lab Tests Online