2. The anatomic or functional manifestations of a disease: the pathology of cancer. 3. A departure or deviation from a normal condition: Neighborhoods plagued by a self-perpetuating pathology of joblessness, welfare dependency, crime (Time).
1 A fasting blood sugar level from 100 to 125 mg/dL (5.6 to 6.9 mmol/L) is considered prediabetes. If it's 126 mg/dL (7 mmol/L) or higher on two separate tests, you have diabetes.  Oral glucose tolerance test. For this test, you fast overnight, and the fasting blood sugar level is measured.
Glucose levels between 100 to 125 mg/dL may indicate prediabetes or a risk of type 2 diabetes. A result of 126 mg/dL or greater often will mean a diagnosis of type 2 diabetes and discussion of a treatment plan with a physician. Blood glucose levels might also be too low. For a diabetic person, blood glucose below 70 mg/DL could indicate too much insulin is being taken or that medications need to be adjusted to prevent blood sugar from crashing. Low blood sugar could indicate an underactive thyroid or pituitary gland.