Consumers and carers

What is a vitamin D test

Vitamin D levels are determined by a simple blood test that measures 25-hydroxyvitamin D (25-OHD).

Vitamin D levels are determined by a simple blood test that measures a form of vitamin D — called 25-hydroxyvitamin D (25-OHD) — in the blood.

Read about What is a vitamin D test? on the NPS MedicineWise website.

5 Questions

5 questions to ask your doctor or other healthcare provider to make sure you end up with the right amount of care.

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