Why You're Failing at UAG formula NH4 estimation

https://anion-gap-checker705.brightsora.com/posts/how-to-apply-an-anion-gap-calculator-for-hyperchloremic-acidosis

Anion gap blood chemistry assists in helping evaluate acid-base balance, metabolic acidemia, and electrolyte abnormalities. It aids clinical interpretation of electrolyte levels, bicarbonate levels, and renal function in standard lab testing.