What this calculator does
Corrected sodium for hyperglycemia works out adjusts a measured sodium reading for high blood glucose, using the Katz and Hillier formulas. Enter your own figures above and the answer updates as you type: nothing is fixed in the code, so the result reflects exactly the numbers you supply.
The formula this calculator evaluates is printed under the tool and explained below, so you can check the working by hand or reuse it in a spreadsheet.
The formula
The inputs explained
| Field | What to enter |
|---|---|
| Measured sodium (mEq/L) | A number, measured in mEq/L. Starts at 130. |
| Blood glucose (mg/dL) | A number, measured in mg/dL. Starts at 400. |
Worked examples
Every figure in the tables below is produced by this page’s own calculator at build time, so the numbers and the tool always agree. Select any row to load that scenario.
How the answer changes with measured sodium
Every other input is held at the calculator’s starting values while measured sodium varies. Select any row to load that scenario into the calculator.