Patients who have weak immune systems are vulnerable to getting shingles and the shingles vaccine is a live vaccine, he added. The study looked at patients with rheumatoid arthritis, psoriasis, psoriatic arthritis, ankylosing spondylitis (an inflammation of the spine), or inflammatory bowel disease.
Fasting Blood Glucose (Blood Sugar) Level. A value above 126 mg/dL on at least 2 occasions typically means a person has diabetes. The Oral Glucose Tolerance Test. An oral glucose tolerance test is one that can be performed in a doctor's office or a lab.
Summary. Diabetes is a disease in which your blood glucose, or blood sugar, levels are too high. Glucose comes from the foods you eat. Insulin is a hormone that helps the glucose get into your cells to give them energy. With type 1 diabetes, your body does not make insulin.