Corrected Sodium
Correct sodium for hyperglycemia (DKA/HHS).
Lab Values
mEq/L
Measured serum sodium. May be falsely low in hyperglycemia due to dilutional effect.
mg/dL
Serum glucose level. Correction applies when >100 mg/dL. Most relevant in DKA/HHS.
DKA/HHS Alert: With glucose 400 mg/dL, corrected sodium reveals true sodium status masked by hyperglycemia.
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Corrected Sodium
0.0 mEq/L
Hyponatremia
Hyponatremia
Measured Na
130 mEq/L
Glucose
400 mg/dL
Glucose Excess
300 mg/dL
Correction
+4.8 mEq/L
Formula
Corrected Na = Measured Na + 1.6 × [(Glucose - 100) / 100]
= 130 + 1.6 × [(400 - 100) / 100] = 130 + 4.8 = 0.0 mEq/L
Add 1.6 mEq/L to sodium for every 100 mg/dL glucose above 100.
Frequently Asked Questions
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