Corrected sodium calculator

Corrected Sodium

Corrected Sodium for Hyperglycemia

Parameter	Value
Measured Sodium (mEq/L)
Serum Glucose (mg/dL)
Results
Corrected Na⁺ (Katz, 1.6 mEq per 100 mg/dL)	mEq/L
Corrected Na⁺ (Hillier, 2.4 mEq per 100 mg/dL)	mEq/L

References

Katz MA. Hyperglycemia-induced hyponatremia — calculation of expected serum sodium depression. N Engl J Med. 1973;289(16):843-844. PMID 4763428. Hillier TA, Abbott RD, Barrett EJ. Hyponatremia: evaluating the correction factor for hyperglycemia. Am J Med. 1999;106(4):399-403. PMID 10225241. Classic formula (Katz): Corrected Na = Measured Na + 1.6 × (Glucose − 100) / 100 Revised formula (Hillier): Corrected Na = Measured Na + 2.4 × (Glucose − 100) / 100 (preferred when glucose >400)