This test, which can help detect liver abnormalities, only takes seconds and is usually done in conjunction with the other tests. (verywellfamily.com)
For example, while the majority of puppies undergoing pre-anesthetic testing have normal results, periodically we find a dog with liver abnormalities that could indicate a congenital liver disease (called a portosystemic shunt, where blood bypasses the liver). (krydervet.com)
And, as children, Stettler says, there are more associated health problems, including liver abnormalities along with elevated blood sugars and high cholesterol. (npr.org)