DEXA, also called DXA or bone densitometry, is a low-dose X-ray test used to measure bone mineral density. It helps doctors assess bone strength, screen for osteoporosis, and estimate fracture risk, especially in the hips and spine.
A body composition DEXA scan uses the same machine as a bone density scan but produces a detailed map of fat, lean muscle, and bone across your whole body. It provides reproducible estimates of fat, lean tissue, and bone, but results still depend on the scanner, protocol, and preparation.
A broken bone from a minor fall after age 50 is a fragility fracture — a loud signal that bone strength is below normal. A DEXA scan after such a fracture is one of the most important investigations to prevent the next one.
A DEXA scan is a quick, painless, low-dose X-ray test used to measure bone density, usually in the hips and lower spine. It helps doctors assess bone strength and detect osteopenia or osteoporosis.
DEXA, also called DXA or bone densitometry, is a low-dose X-ray test used to measure bone density. It helps doctors assess bone strength, screen for osteoporosis, and estimate fracture risk.
Repeat DEXA scans are how doctors track whether bones are getting stronger, staying stable, or continuing to thin. Not every change between scans is meaningful — this guide explains what to look for and how often to repeat.
Every DEXA report includes a T-score and a Z-score — numbers that compare your bone density to reference populations. They are the single most important piece of your result. This guide explains what each number means and what you should do about it.
Bone density loss is silent — most people who lose bone never feel it until a fracture happens. DXA is the standard clinical test for bone density before a fracture forces the conversation. This guide explains who needs one and when.
