Corrected Sodium Calculator
Adjust serum sodium for hyperglycemia
About This Calculator
Hyperglycemia causes osmotic fluid shifts that dilute serum sodium. This calculator adjusts measured sodium to account for elevated glucose levels, providing a more accurate assessment of true sodium status.
Formula:
Corrected Sodium = Measured Sodium + 0.016 × (Glucose - 100)
Reference Ranges:
- • Normal: 135-145 mEq/L
- • Hyponatremia: <135 mEq/L
- • Hypernatremia: >145 mEq/L
References:
- 1. Katz MA. Hyperglycemia-induced hyponatremia--calculation of expected serum sodium depression. N Engl J Med. 1973;289(16):843-844.
- 2. Hillier TA, et al. Hyponatremia: evaluating the correction factor for hyperglycemia. Am J Med. 1999;106(4):399-403.
- 3. Liamis G, et al. Diabetes mellitus and electrolyte disorders. World J Clin Cases. 2014;2(10):488-496.
Medical Disclaimer: This calculator is for educational purposes only. Always consult with healthcare professionals for medical decisions.