DEXA, EXPLAINED

What is a DEXA scan?

DEXA, also called DXA, uses low-dose X-rays to measure bone mineral and estimate body composition. What you get from it depends on the type of scan.

First, check which scan you need.

A whole-body composition scan estimates fat mass, lean tissue and bone mineral. People may use it to look at body composition alongside a training or nutrition plan.

A diagnostic bone density scan usually focuses on the hip and spine. It helps a doctor assess bone health. A body composition appointment does not automatically include that assessment.

RadiologyInfo: how diagnostic DXA works

What happens at the appointment?

You usually lie on a scanning table while the scanner arm passes over you. The clinic will explain positioning and ask you to keep still. Ask how long the whole appointment takes, including any discussion afterwards.

Tell the clinic before the scan if you could be pregnant, have had recent contrast imaging, or have implants that may affect the test. Follow its preparation instructions.

Read patient preparation guidance

Questions worth asking before you book

Which scan protocol will I receive? Does the appointment include someone explaining the results? Will I get a copy of my report? Can I use the same scanner if I return?

Ask the provider to confirm its current price, what is included and any referral requirements. We do not publish a national price range without verified provider data.

Meet our lead scan partner

See the example results guide