Alanine aminotransferase (ALT) is an enzyme primarily found in your liver. An enzyme is a protein that helps speed up chemical reactions. ALT is involved in cellular energy production. ALT levels in ...

A complete blood count (CBC) is a common test to diagnose anemia by measuring red blood cell count, hemoglobin, and hematocrit levels. Iron deficiency is a common cause of anemia, and doctors may ...