Symptoms of diabetes (e.g., polyuria, polydipsia, unexplained weight loss) in addition to a random glucose level >=200 mg/dL (11.1 mmol/L) | Yes No Unknown |
Fasting blood glucose >=126 mg/dL (7.0 mmol/L), after a minimum of an 8-hour fast | Yes No Unknown |
Glucose level >=200 mg/dL (11.1 mmol/L) 2 hrs after glucose challenge (GTT) w/standardized 75 gram oral load of glucose | Yes No Unknown |
The American Diabetes Association's (ADA) criteria for diagnosing Diabetes Mellitus include 3 possible methods to make the diagnosis
* Note that any one of these items should be confirmed by repetition on a subsequent day; except in the case of unequivocal hyperglycemia. The Oral Glucose Challenge is not recommended routinely.
References:
The Expert Committee on the Diagnosis and Classification of Diabetes Mellitus. Report of the Expert Committee on the Diagnosis and Classification of Diabetes Mellitus. Diabetes Care. 1997;20(7):1183-97.
Genuth S, Alberti KG, Bennett P, et al. Follow-up report on the diagnosis of diabetes mellitus. Diabetes Care. 2003;26(11):3160-7.
American Diabetes Association. Diagnosis and classification of diabetes mellitus. Diabetes Care. 2006;29 Suppl 1:S43-8.