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About This Test

Department: Biochemistry


  • Gel/clotted/lithium heparin (yellow/red/green top)

Add-on requests are accepted


Turnaround Time:

Within 24 hours


Part of bone profile.

Adjusted calcium is calculated from serum calcium and albumin concentration.  If albumin concentration is < 20 g/L, it is not possible to calculate adjusted calcium.  

Contamination with EDTA due to poor venesection may artificially lower calcium concentration.

Please note: magnesium is not part of a standard bone profile - please request separately if needed.

Reference ranges:

Age range Reference ranges (mmol/L)
All ages/sexes 2.2 - 2.6

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: Calcium - Lab Tests Online

See also: AlbuminPhosphateALPPTHVitamin D