This version was machine-translated from German and has not been medically reviewed. The authoritative version is the German version.

Corrected sodium in hyperglycemia

Sodium according to Katz (1.6) and Hillier (2.4) per 100 mg/dl glucose above 100

Calculation aid for healthcare professionals: the calculator reproduces what the sources cited assign to the inputs. Clinical assessment and every treatment decision remain with the treating physician. Inputs and results are not stored.

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Sources

Hyperglycemia-induced hyponatremia – calculation of expected serum sodium depression (N Engl J Med 289:843–844) Katz MA, 1973. Original paper (1.6 mmol/l per 100 mg/dl)
Hyponatremia: evaluating the correction factor for hyperglycemia (Am J Med 106:399–403) Hillier TA, Abbott RD, Barrett EJ, 1999. Original paper (2.4 mmol/l per 100 mg/dl)

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Note

Calculation aid for healthcare professionals. Clinical assessment remains with the treating physician.

Review date of the German original: 2026-11-05 · Methodology

Frequently asked questions

Corrected sodium in hyperglycemia: What does this calculator compute?

Converts the measured serum sodium in hyperglycemia to the value expected after normalization of glucose – according to Katz 1973 (+1.6 mmol/l per 100 mg/dl above 100) and Hillier 1999 (+2.4).

Corrected sodium in hyperglycemia: Which sources is this calculator based on?

Katz MA: Hyperglycemia-induced hyponatremia – calculation of expected serum sodium depression (N Engl J Med 289:843–844) (1973); Hillier TA, Abbott RD, Barrett EJ: Hyponatremia: evaluating the correction factor for hyperglycemia (Am J Med 106:399–403) (1999)