Ordering the Selenium, RBC Test
Ordering the Selenium, RBC test is important for assessing selenium levels in your red blood cells, which can provide insights into your body’s selenium status over time. Selenium is a vital mineral that plays a role in antioxidant defense and thyroid function. Interestingly, selenium levels in red blood cells can reflect long-term selenium intake, unlike serum selenium levels, which can fluctuate more rapidly.
Understanding the benefits of this test can help you make informed decisions:
- Monitors long-term selenium status in the body.
- Helps identify selenium deficiency or excess.
- Supports thyroid health by assessing selenium levels.
- Assists in evaluating antioxidant capacity.
- Provides data for personalized dietary adjustments.
Who Should Consider the Selenium, RBC Test
Individuals who are concerned about their nutritional intake and want to ensure they are getting enough selenium might benefit from this test. For example, someone who follows a strict vegetarian or vegan diet may want to check their selenium levels, as plant-based diets can sometimes lack this essential mineral.
Consider these scenarios where the test might be useful:
- Individuals with dietary restrictions that limit selenium intake.
- People living in areas with selenium-deficient soil.
- Those experiencing unexplained fatigue or muscle weakness.
- Individuals with thyroid concerns seeking to optimize their health.
- People interested in understanding their antioxidant status.
Consider ordering the test if any of these situations apply to you.
Preparing for the Selenium, RBC Test
No fasting is required for the Selenium, RBC test. If you are taking any medications or supplements, it’s important to follow any specific instructions provided by your healthcare provider to ensure accurate results.
Labs Included When Ordering Your Selenium, RBC Test
| Test Name | Reference Range | Significance | Low and High Levels of Selenium, RBC |
|---|---|---|---|
| Selenium, RBC | 120-160 | Selenium is an essential trace mineral that supports antioxidant enzymes and thyroid function. RBC selenium levels provide a long-term view of selenium status in the body. | High levels mean potential selenium toxicity, which can affect hair and nail health.
Low levels mean possible selenium deficiency, impacting immune and thyroid function. |
Reference ranges can vary. For the most accurate and up-to-date reference ranges for this lab test, visit Quest Diagnostics.
Selenium, RBC FAQ
Is there Selenium, RBC testing near me?
You can find nearby draw locations for the Selenium, RBC test with our patient service center locator that also has mobile phlebotomy options.
What is the cost of the Selenium, RBC test?
The cost of the Selenium, RBC test can be found at the top of the page. Pricing includes draw fees when visiting patient service centers.
How often should I retest?
Retesting for Selenium, RBC levels is typically recommended every 6 to 12 months, especially if you have dietary changes or health conditions that affect selenium absorption. Regular monitoring can help maintain optimal selenium levels.
How accurate is the Selenium, RBC test?
The Selenium, RBC test uses advanced laboratory techniques to measure selenium levels in red blood cells, providing a reliable assessment of long-term selenium status. TrueHealthLabs.com partners only with CLIA-certified labs to ensure high-quality testing. This commitment to quality helps ensure the accuracy of your test results.
Medical Review Board
Reviewed by Jeff Donohue M.D. from Body Logic and Brady Hurst DC, CCCN. Written by True Health Lab’s team of editorial health contributors.
Disclaimer: This information is for educational purposes only and not intended as medical advice. Consult your healthcare provider for personalized guidance.
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