What's Holding Back the anion gap formula mEq/L Industry?

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

Use our serum gap calculator to rapidly calculate the anion gap from sodium, chloride, and bicarbonate values with precise lab interpretation. Ideal for clinicians, it aids electrolyte analysis, acid-base assessment, and quicker patient care decisions.