Asymptomatic or mild symptoms; fasting glucose value greater than 160 mg/dL (>8.9 mmol/L); no evidence of ketosis or laboratory evidence of type 1 diabetes mellitusg1
Moderate symptoms, able to perform activities of daily living; fasting glucose value greater than 160 to 250 mg/dL (>8.9-13.9 mmol/L), ketosis or evidence of type 1 diabetes mellitus at any glucose levelg2
Severe symptoms, medically significant or life-threatening consequences, unable to perform activities of daily living; fasting glucose level greater than 250 to 500 mg/dL (>13.9-27.8 mmol/L)g3
Severe symptoms, medically significant or life-threatening consequences, unable to perform activities of daily living; fasting glucose level greater than 500 mg/dL (>27.8 mmol/L)g4
