Why You're Failing at anion gap reference by lab
https://anion-gap-analyzer309.tearosediner.net/how-to-use-an-anion-gap-calculator-with-measured-electrolytes
Anion gap blood chemistry assists in helping determine acid and base balance, acidosis, and electrolyte imbalances. It supports medical interpretation of blood electrolytes, bicarbonate, and renal function in standard lab testing.