3 Reasons Your what causes a reduced anion gap Is Broken (And How to Fix It)

https://anion-gap-values230.rivetgarden.com/posts/anion-gap-calculator-for-acid-base-status-assessment

Use this anion gap calculator mmol to easily evaluate metabolic acidosis with accurate electrolytes, including sodium, chloride, and bicarbonate. A quick, trusted clinical tool for lab interpretation, acid-base assessment, and patient care.