Doctors use the gamma-glutamyl transferase (GGT) test to diagnose liver problems. A typical range for GGT levels in adults and children is between 0 and 30 international units per liter. In the.

What is SGPT (ALT) Test? Alanine transaminase test is performed to determine the level of alanine transaminase in blood. Alanine transaminase is a type of an enzyme which made by cells present in the liver.