31st July 2023

A 32-year-old male presents with jaundice during an intercurrent upper respiratory tract infection

A 32-year-old male presents with jaundice during an intercurrent upper respiratory tract infection. He is found to have a mildly raised bilirubin, and Gilbert’s syndrome is the working diagnosis. Which of the following is the next best investigation?

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