4th April 2024

A 28-year-old nurse has blood tests performed as part of an annual private health check.

A 28-year-old nurse has blood tests performed as part of an annual private health check. These show a hypercalcaemia with normal PTH levels. You review her previous blood tests and note calcium has previously been raised with normal PTH. She is asymptomatic, mentions her mum also has raised calcium and is asymptomatic. You suspect the hypercalcaemia may be familial. Which of the following investigations will confirm the diagnosis?   

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