Clinical use
Use this calculator for calcium correction for hypoalbuminemia in theelectrolytes workflow. It is decision support and should be interpreted with the patient context, local protocols, and clinician judgment.
Calculate Corrected Ca
Interpretation
Corrects for albumin only. Each 1 g/dL decrease in albumin below 4.0 adds ~0.8 mg/dL to measured calcium. Consider ionised calcium if available — more accurate.
Required inputs
- Calcium
- Albumin
Evidence and limitations
This page cites 1 published reference. Confirm units and inclusion criteria before applying the output; calculators do not replace assessment, escalation, or local policy.
References
- Payne RB et al. Br Med J 1973;4:643-646
Frequently asked questions
What is the Corrected Calcium?
Corrected Calcium is a clinical calculator used for Calcium correction for hypoalbuminemia.
How do I interpret the Corrected Calcium?
Corrects for albumin only. Each 1 g/dL decrease in albumin below 4.0 adds ~0.8 mg/dL to measured calcium. Consider ionised calcium if available — more accurate.
What inputs are required for the Corrected Calcium?
Required inputs include Calcium, Albumin.
What is the evidence behind the Corrected Calcium?
The Corrected Calcium page cites Payne RB et al. Br Med J 1973;4:643-646.
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