Alt should be tucked inside of the liver cell. High levels indicate liver damage, toxin ingestion, cushing’s disease and various. Liver Enzyme Interpretation And Liver Function Tests - Todays Veterinary Practice The normal blood level of alkp is less than 200, so chocolat is showing markedly increased levels. Dog blood work alt high . Ast primarily comes from either damage to the liver or muscles. Alt is the abbreviation for alanine transferase another liver enzyme. Alt is also important in the metabolism of nitrogen and is most often associated with the liver. High levels may indicate a dog is 30 to 40 days pregnant. We retested in july 2019 and the numbers started coming down using alt 372 alk p 170 now here we are in march 2020 & the blood work is showing a skyrocket alt 1675 and alkp 587. Some canine liver problems can be diagnosed by blood and urine tests. Low levels indicate starvation or malnutrition. Dogs don't show any sign of illness at the initi...