Bone Mineral Density by Dual-Energy X-ray Absorptiometry (DXA) – Guided Bone Grafting Assessment
This test measures the density of your bones to assess bone health and help plan for procedures like guided bone grafting, which may be needed for dental implants or reconstructive surgery.
["A lower bone density may indicate risk for fractures or need for surgical support."]
Key facts at a glance
- LOINC
- 87013-9
- Short code
- Guided Bone Bx
- Synonyms
- Guided Bone Bx
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- imaging-modality
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
What This Test Measures
Bone mineral density (BMD) is measured using a specialized X-ray technique called dual-energy X-ray absorptiometry (DXA). This test evaluates the amount of mineral content in your bones, which helps determine bone strength and potential risks for conditions like osteoporosis. The guided portion likely refers to the use of imaging to assist in precise placement during related procedures.
Why It’s Done
Your healthcare provider may recommend this test if you’re planning dental implants, have a history of bone loss, or need evaluation for conditions affecting bone health. It helps ensure that any surgical intervention, such as guided bone grafting, is performed safely and effectively.
How It’s Performed
You’ll lie on a table while a small X-ray device scans your body, focusing on specific areas (often the jaw or spine). The scan takes just a few minutes and is painless. No special preparation is needed, though you may be asked to remove certain clothing or jewelry.
What the Results Mean
Results are compared to standard values for your age, sex, and body size. Lower density may signal weaker bones, while higher density suggests stronger bone structure. These findings help guide decisions about treatments or surgical planning.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
◆Associated findings1
Short name
Bone Mineral Density (DXA) with Guidance for Surgical Planning
Frequently asked questions
How often should I get this test?
What does a low bone density mean?
Can I eat or drink before this test?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy