Estimate sodium adjusted for hyperglycemia using two commonly cited correction factors.
Sodium Correction for Hyperglycemia
Sodium Correction Form
Results
Corrected Sodium (Katz, 1973)
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Corrected Sodium (Hillier, 1999)
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Table of Contents
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What is Sodium Correction for Hyperglycemia?
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How to Use This Calculator
- Enter or select Sodium, Glucose.
- Check the unit beside each measurement. For a percentage or rate, use the scale and time period stated in the form.
- Choose Calculate, then compare the output with the formula and example below. If you change a value or option, calculate again to update the result.
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Formula Used
Adjusted Na = measured Na + factor × (glucose(mg/dL)−100)/100; factors shown are 1.6 and 2.4.
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Variables Explained
| Input | What it means |
|---|---|
| Sodium | Sodium concentration, normally in mmol/L or mEq/L; follow the form’s unit label. |
| Glucose | Glucose concentration in the stated unit; mg/dL and mmol/L differ by about a factor of 18. |
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Worked Example
At sodium 130 and glucose 300, the two estimates are 133.2 and 134.8 mmol/L.
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Why Use This Calculator?
Use the calculation to make the method and its inputs easier to check with a healthcare professional. Its meaning depends on the clinical setting and on whether the underlying method is appropriate for that person.
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Common Mistakes
- Corrected sodium is a modeled value, not a treatment instruction or an allowable correction rate.
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Frequently Asked Questions
Is this result a diagnosis or treatment instruction?
No. It describes a calculation or score from the supplied information. A qualified clinician must check the measurements, the method’s applicability and the wider clinical picture.
Can I enter the units from any lab report?
Use the units specified in the form and select a conversion only where the page provides one. Different substances need different conversion factors; a mismatch can produce a plausible but incorrect result.
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