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A QCT test, or Quantitative Computed Tomography test, is a bone-density test that uses a higher amount of radiation than the DXA text, or Dual-energy X-ray Absorptiometry test. The QCT test typically measures the bone density in the lumbar spine to estimate the amount of bone present in the rest of the body. It is available in most hospitals and larger clinics but costs more than a DXA test.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.