Metabolic

Corrected calcium

Adjust total calcium for albumin so hypo- and hypercalcaemia are not missed.

Version Standard

Inputs

Measured total calcium(mmol/L)

Albumin(g/L)

Corrected calcium (mmol/L)

2.2

Within the reference range.

Formula

Corrected Ca (mmol/L) = measured Ca + 0.02 × (40 − albumin g/L)

BMJ · 1973

Demo content. Educational decision support only. Verify every dose, citation and recommendation against your national formulary and the primary source before clinical use.