Ordering the Vitamin B-12 Blood Test
Ordering a Vitamin B-12 Blood Test can help identify if your body is getting enough of this important nutrient. Interestingly, Vitamin B-12 is crucial for nerve function and the production of DNA and red blood cells. When you order this test, you can:
- Identify potential deficiencies that may affect energy levels.
- Monitor the effectiveness of dietary changes or supplements.
- Assess absorption issues related to digestive health.
- Track changes over time to ensure optimal nutrient levels.
Who Should Consider the Test
People experiencing fatigue or tingling in their hands and feet might benefit from this test. For example, someone who has recently switched to a vegetarian diet may want to check their Vitamin B-12 levels to ensure they are meeting their nutritional needs.
Consider ordering this test if you:
- Have a family history of Vitamin B-12 deficiency.
- Are over the age of 50 and experiencing memory issues.
- Have undergone gastrointestinal surgery.
- Are pregnant or planning to become pregnant.
- Have been diagnosed with anemia and want to explore potential causes.
Checking your Vitamin B-12 levels can help prevent potential nerve damage and cognitive issues. Delaying this test might lead to prolonged symptoms that could be easily managed with early detection.
How to Prepare for the Test
No fasting is required for the Vitamin B-12 Blood Test, making it convenient to schedule at any time. It’s important to follow any guidance your doctor or healthcare practitioner gives you to ensure the test is conducted properly.
Labs Included When Ordering Your Vitamin B-12 Blood Test
| Test Name | Reference Range | Significance | Low and High Levels of Vitamin B-12 |
|---|---|---|---|
| Vitamin B12 (Cobalamin) | 200-900 | Vitamin B12 is essential for nerve function and the production of DNA and red blood cells. It helps maintain energy levels and supports brain health. | High levels mean potential liver disease or excessive supplementation.
Low levels mean possible deficiency leading to fatigue and neurological issues. |
Lab reference values are subject to change. Refer to the Quest Diagnostics lab test directory for current ranges.
Vitamin B-12 Blood Test FAQ
Is there Vitamin B-12 testing near me?
To find nearby locations for Vitamin B-12 testing, use the patient service center locator. This is especially helpful if you need a convenient site due to mobility issues or time constraints.
What is the cost of the test?
The cost of the Vitamin B-12 Blood Test includes all fees, such as sample collection at patient service center locations. It’s worth ordering to address potential deficiencies that could affect your energy levels.
How often should I retest?
Retesting every 6 to 12 months is recommended, especially if you have dietary changes or symptoms. Regular monitoring helps ensure your Vitamin B-12 levels remain within a healthy range.
How accurate is the test?
The Vitamin B-12 Blood Test uses chemiluminescent immunoassay technology for precise measurement. TrueHealthLabs.com partners with CLIA-certified laboratories to uphold rigorous testing standards for dependable 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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