1st April 2022

A 40-year old gentleman with Type 2 diabetes presents to his GP

A 40-year old gentleman with Type 2 diabetes presents to his GP complaining of frequent dehydration and thirst. A urine dipstick is performed and is positive for glucose and negative for ketones and nitrites. His blood glucose is 8 mmol/L. The patient is discharged and presents the following week again complaining of worsening thirst. What initial test should be performed to determine the underlying cause of his presentation? 

Select the SINGLE most appropriate option from the list below. Select ONE option only.