23rd May 2025

A 60-year-old male is noted to have elevated serum calcium and hypophosphataemia on an isolated blood test.

A 60-year-old male is noted to have elevated serum calcium and hypophosphataemia on an isolated blood test. Intact parathyroid hormone is slightly raised. They remain asymptomatic and their latest blood tests show a creatinine clearance of 70mL/minute and normal Vitamin D levels.

What tests would you order next?

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