These tests look for your body's reaction to gluten, the protein found in wheat, barley and rye that causes celiac disease. The blood tests aren't perfect. If your celiac blood tests are negative, it means you're much less likely to have celiac disease ... but there's still a small chance that you have it.
Autoimmune hepatitis is a disease characterized by chronic inflammation of the liver. The best way to describe this disease is to break the term down into its composite words.
Autoimmunity: A misdirected immune response that occurs when the immune system goes awry and attacks the body itself. Autoimmunity is present to some extent in everyone and is usually harmless. However, autoimmunity can cause a broad range of human illnesses, known collectively as autoimmune diseases. Autoimmune diseases occur when there is progression from benign autoimmunity to pathogenic autoimmunity.