A 53-year-old adult with no symptoms has A1C 6.7% (48 mmol/mol) confirmed on repeat testing; fasting plasma glucose 118 mg/dL; 2-hour OGTT 175 mg/dL. ...

Question

A 53-year-old adult with no symptoms has A1C 6.7% (48 mmol/mol) confirmed on repeat testing; fasting plasma glucose 118 mg/dL; 2-hour OGTT 175 mg/dL. What is the correct diagnosis/next step?

Accepted Answer

Diagnose diabetes mellitus now based on A1C ≥6.5%

Answer

Repeat A1C in 6 months before labeling diabetes

Answer

Order fructosamine to confirm diagnosis

Answer

Label as prediabetes and start metformin

Answer

Rely on OGTT alone to exclude diabetes

us-abfm MCQ (SBA): Diabetes Diagnosis

A 53-year-old adult with no symptoms has A1C 6.7% (48 mmol/mol) confirmed on repeat testing; fasting plasma glucose 118 mg/dL; 2-hour OGTT 175 mg/dL. What is the correct diagnosis/next step?