Question

A 52-year-old man has a fasting plasma glucose of 7.4 mmol/L on two separate mornings. He is asymptomatic but overweight and has a strong family history of diabetes. Which of the following confirms a diagnosis of type 2 diabetes mellitus in this context?

Accepted Answer

Fasting plasma glucose of 7.4 mmol/L on two separate occasions

Answer

Single fasting plasma glucose of 6.8 mmol/L

Answer

HbA1c of 45 mmol/mol (6.3%) on one occasion

Answer

Random capillary glucose of 9.0 mmol/L after lunch

Answer

Normal oral glucose tolerance test with 2-hour glucose 7.0 mmol/L

Practice question

A 52-year-old man has a fasting plasma glucose of 7.4 mmol/L on two separate mornings. He is asymptomatic but overweight and has a strong family history of diabetes. Which of the following confirms a diagnosis of type 2 diabetes mellitus in this context?