Guides
Corrected Calcium Calculator (Payne Formula)
Step-by-step how-to guides for using Corrected Calcium Calculator (Payne Formula) and related techniques. Written for practical use — follow each guide to get accurate results for your specific situation.
Why Corrected Calcium Is Calculated So Often for Hospitalized Patients
Why hospitalized and critically ill patients frequently have low albumin, and how that makes corrected calcium a routinely calculated value at the bedside.
intermediate Read guide →When to Order Ionized Calcium Instead of Using the Correction Formula
The specific clinical situations where a direct ionized calcium measurement is more reliable than the Payne correction formula, per current research.
intermediate Read guide →