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Dexamethasone Serum Measurement (Bone Mineral Density Screening)

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

This test measures the amount of dexamethasone, a synthetic steroid, in your blood. It may be used as part of a screening process for bone mineral density or other metabolic evaluations.

Quick summary

["This test helps assess how your body handles certain medications or conditions affecting bone health."]

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

Key facts at a glance

LOINC
26145-3
Short code
Deprecated DEXA
Synonyms
Deprecated DEXA
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
xr-dexa
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 Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms or risk factors for conditions like osteoporosis, metabolic bone disease, or if you’re taking long-term steroid medications. It could also be part of a broader evaluation for hormonal or endocrine disorders.

What to Expect Before the Test

No special preparation is typically needed. You may be asked to fast for 8–12 hours before the blood draw, but always follow your provider’s instructions. Bring any medications you’re currently taking to your appointment.

What Happens During the Test

A healthcare professional will draw blood from a vein in your arm. The sample is sent to a lab for analysis. The test measures dexamethasone levels, which may be interpreted in relation to other health factors.

What the Results Mean

Results are not provided as a standalone number but are used alongside clinical judgment, patient history, and other tests. High or low levels may signal potential issues with steroid metabolism or bone health.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Dexa Screening (Serum)

Frequently asked questions

What does a ‘deprecated’ test mean for me?
This test is no longer commonly used in standard clinical practice. It may have been replaced by more direct or specific tests for bone health or steroid monitoring. Your provider will guide you on next steps based on your situation.
Will I need to repeat this test?
Not likely. If this test was part of an older screening protocol, your provider will likely focus on current, relevant tests for your condition. Ask for clarification on what tests are being used now.
Does this test affect my medication?
No, this test is not a direct measurement of your current medication levels. However, if you’re on steroids or other medications, your provider will consider them when interpreting results or planning care.
  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