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.
Lupus is an autoimmune disease. This means that your immune system attacks healthy cells and tissues by mistake. This can damage many parts of the body, including the joints, skin, kidneys, heart, lungs, blood vessels, and brain. There are several kinds of lupus.