use albumin corrected anion gap formula: The Good, the Bad, and the Ugly

https://anion-gap-estimator566.rivetgarden.com/posts/how-to-work-with-an-anion-gap-calculator-with-total-protein

Use our anion gap calculator for serum electrolytes to swiftly check acid-base balance with sodium, chloride, and bicarbonate values. Get fast, precise results for metabolic acidosis, electrolyte imbalances, and routine clinical decision support.