Corrected Sodium Calculator
Correct serum sodium for hyperglycemia using the Katz and Hillier correction formulas. Enter values for instant results with step-by-step formulas.
Formula
Corrected Na = Measured Na + 1.6 × (Glucose - 100) / 100
Katz correction: hyperglycemia dilutes sodium by drawing water into the vascular space. For every 100 mg/dL glucose above 100, sodium is artificially lowered by ~1.6 mEq/L. Some use 2.4 for glucose >400.
Frequently Asked Questions
How are corrected lab values calculated?
Some lab values need correction for patient factors. Corrected calcium = measured calcium + 0.8 * (4.0 - albumin). Corrected sodium for hyperglycemia: add 1.6 mEq/L for every 100 mg/dL glucose above 100. Corrected QTc uses Bazett formula: QTc = QT / sqrt(RR interval). These corrections improve clinical accuracy.
Can I use the results for professional or academic purposes?
You may use the results for reference and educational purposes. For professional reports, academic papers, or critical decisions, we recommend verifying outputs against peer-reviewed sources or consulting a qualified expert in the relevant field.
Is Corrected Sodium Calculator free to use?
Yes, completely free with no sign-up required. All calculators on NovaCalculator are free to use without registration, subscription, or payment.
Can I share or bookmark my calculation?
You can bookmark the calculator page in your browser. Many calculators also display a shareable result summary you can copy. The page URL stays the same so returning to it will bring you back to the same tool.
Does Corrected Sodium Calculator work offline?
Once the page is loaded, the calculation logic runs entirely in your browser. If you have already opened the page, most calculators will continue to work even if your internet connection is lost, since no server requests are needed for computation.
Is my data stored or sent to a server?
No. All calculations run entirely in your browser using JavaScript. No data you enter is ever transmitted to any server or stored anywhere. Your inputs remain completely private.