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Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

This is an abnormally high level of plasma calcium i.e. greater than 2.6 mmol per liter on two occasions following correction for the serum albumin concentration (1).
Hyperclcaemia can be classified according to the adjusted serum calcium concentration:

  • mild – adjusted calcium concentration is 2.65 – 3.00 mmol/l
  • moderate - adjusted calcium concentration is 3.00 – 3.40 mmol/l
  • severe - adjusted calcium concentration is more than 3.40 mmol/l (1)

Note that reference ranges may vary between laboratories.


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