lactic acidosis is a serum lactate concentration above 4 mmol/ | Medcrine

lactic acidosis is a serum lactate concentration above 4 mmol/L. It is the most common cause of metabolic acidosis among hospitalized patients. It occurs due to excessive production of lactic acid or a decreased excretion or sometimes both. This derangement is a high anion gap metabolic acidosis secondary to elevated blood lactate.
Lactic acidosis is one of the four principal causes of a high-AG acidosis. Other causes include; ketoacidosis, acute renal failure and toxins.
https://medcrine.com/lactic-acidosis-causes-types-symptoms-and-treatment