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Bone Mineral Density by Dual-Energy X-ray Absorptiometry (DXA) with Specific Region Analysis (Tibia)

Published: August 9, 2026Updated: August 16, 2026

This test measures the density of bone in your tibia (shinbone) to help assess bone health and identify conditions like osteoporosis.

Quick summary

["Assesses bone strength and risk of fractures by evaluating mineral content in your lower leg bone."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
24877-3
Short code
CT Petr part temp bone
Synonyms
CT Petr part temp bone
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
ct
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

Why This Test Is Done

Your healthcare provider may recommend this test if you have symptoms of bone weakness, a history of fractures, or risk factors for osteoporosis (e.g., low body weight, family history, or long-term steroid use). It’s also used to monitor treatment effectiveness for bone-related conditions.

What to Expect Before the Test

You’ll lie on a padded table while an X-ray machine scans your lower leg. The scan takes about 10 minutes. No special preparation is needed, but inform your provider about any metal implants or medications you’re taking.

What the Results Mean

Results compare your tibia bone density to a healthy reference range. Lower density may indicate bone loss, while higher density suggests stronger bone structure. Your provider will interpret results in the context of your overall health.

Common Conditions This Test Helps Diagnose

This test helps diagnose osteoporosis, Paget’s disease, or other bone disorders by identifying areas of abnormal bone density. It’s also useful for evaluating bone healing after fractures or injuries.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Clinical Significance

Short name

Tibia Bone Mineral Density (DXA)

Frequently asked questions

How often should I get this test?
Typically, follow-up tests are recommended every 1–2 years if you’re at high risk for bone loss, or as advised by your healthcare provider based on your results and treatment plan.
What are the risks or side effects of this test?
The X-ray exposure is minimal and considered safe. Rarely, some patients may feel slight discomfort from the table or a mild reaction to contrast dye if used (though not applicable here). Always discuss any concerns with your provider.
Can I eat or drink before this test?
No special diet or fasting is required. You can eat and drink normally before your appointment, as the test doesn’t involve blood or urine samples.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

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.

Medical Disclaimer

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