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 a classic autoimmune disease whereby a misdirected immune system leads to inflammation and injury to one's own body tissues. Lupus can involve the skin, joints, and internal organs. The heart, lungs, and kidneys can also be affected in some patients.