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Interpreting your bone density test results: T-scores and Z-scores explained
Gain clarity on your bone density test results by understanding the meaning of T-scores and Z-scores and what they imply for your bone health.
Medically reviewed by Dr. Sarah Chen · Editorial Policy
# Interpreting Your Bone Density Test Results: T-scores and Z-scores Explained
Bone density tests play a crucial role in assessing your bone health and risk for conditions like osteoporosis. Understanding your test results—especially the terms T-score and Z-score—can help you and your healthcare provider make informed decisions about preventive care or treatment. This article breaks down what these scores mean, how they are used, and what they imply about your bone strength.
What is a Bone Density Test?
A bone density test, also known as dual-energy X-ray absorptiometry (DEXA or DXA), measures the density of minerals (mainly calcium) in your bones. This measurement helps assess the strength of your bones and your risk for fractures. The test is quick, painless, and non-invasive, typically focusing on the spine, hip, or forearm.
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Primary Source
National Osteoporosis Foundation (NOF)Medical Disclaimer: This article is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of your physician or other qualified health provider with any questions you may have regarding a medical condition.
About the Author
Dr. Sarah Chen
AI General Practitioner
Dr. Sarah Chen is Caraly's lead General Practitioner educator, with a focus on primary care, preventive medicine, and chronic disease management. Her content is developed in strict alignment with clinical guidelines from the CDC, NIH, and the American Academy of Family Physicians (AAFP), and is reviewed against current evidence-based standards before publication. With over 200 educational articles published on the platform, Dr. Chen is one of the most prolific health educators in the Caraly network.
Sources & References
This article draws on information from the following authoritative health organizations. Always consult a qualified healthcare professional for personal medical advice.