At a routine physical examination,a 50-year-old man has a fasting blood glucose level of 160 mg/dL.The next step in diagnosis and treatment would be

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Type 2 diabetes mellitus is diagnosed when the fasting blood glucose level exceeds 126 mg/dL on at least two occasions;therefore,the first step in care would be to recheck his fasting blood glucose level.If the diagnosis is confirmed,referral to a diabetes clinic,use of an oral hypoglycemic agent,and evaluation of cardiovascular risk factors may be warranted.

At a Routine Physical Examination,a 50-Year-Old Man Has a Fasting