Ask the doctor: Which bone density test should I have?

However, there are limitations to ultrasound. It doesn't reliably exclude or confirm osteoporosis that would be found using a DEXA scanner, and there are no established criteria for diagnosing osteoporosis and recommending treatment based on ultrasound. If ultrasound finds that you're at high risk for a fracture, you'll need a DEXA scan to determine whether you need treatment.
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