Corrected Sodium (Hyperglycemia)

When to Use

TODO: not written yet.

Pearls/Pitfalls

TODO: not written yet.

Why Use

TODO: not written yet.

Measured Na⁺ (mEq/L)Serum Glucose (mmol/L)

Fill in both fields to see the result.

Show formula

Corrected Na⁺ = Measured Na⁺ + 0.288 × (Glucose − 5.6)
Glucose in mmol/L.

For reference only — verify against the source CPG and confirm with a senior before clinical use. Source: Katz MA. Hyperglycemia-induced hyponatremia — calculation of expected serum sodium depression. N Engl J Med. 1973;289(16):843–844.. Last reviewed: 2026-07-17.