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Red Cell Selenium

Red Cell Selenium

The red cell selenium test is an essential diagnostic tool for evaluating selenium levels in red blood cells, crucial for various bodily functions such as antioxidant defense, thyroid hormone metabolism, and fertility. Selenium, a trace element, is vital for maintaining immune system health and protecting cells from oxidative damage. Deficiency in selenium can lead to severe health issues, including impaired immune function, thyroid dysfunction, and increased risk of chronic diseases like heart disease and certain cancers. Conversely, excessive selenium intake can cause selenosis, characterized by gastrointestinal upset and neurological abnormalities. The test, performed using Inductively Coupled Plasma-Mass Spectrometry (ICP-MS), provides precise measurements of selenium levels in RBCs. Specimen collection involves using a trace metal-free EDTA tube, with specific handling and storage requirements to ensure accuracy. The test aids healthcare providers in diagnosing and managing selenium imbalances, helping maintain optimal health by supporting immune function and reducing oxidative stress.

Price of test:£49

The lowest price from the last 30 days: £49

Awaiting result:

12 hours

Collect material:

Blood

Prepare:

Learn more

Purpose of the test

The lab test for red cell selenium is essential for evaluating selenium levels in red blood cells, crucial for:

- Antioxidant defense
- Thyroid hormone metabolism
- Fertility and reproduction

Selenium deficiency can lead to:

- Impaired immune function
- Thyroid dysfunction
- Increased risk of chronic diseases

Excess selenium may cause:

- Selenosis
- Neurological abnormalities

The test uses ICP-MS for precise measurement. Specimen handling involves:

- Collecting whole blood in a royal blue-top (EDTA) tube
- Ensuring trace metal-free conditions

Accurate results support optimal health by maintaining balanced selenium levels.

Who Should Get Tested

The red cell selenium test is essential for evaluating selenium levels in red blood cells, crucial for various bodily functions. Key groups who should consider testing include:

- Individuals with symptoms of selenium deficiency, such as impaired immune function or thyroid issues.
- Those living in regions with low or high environmental selenium levels.
- Patients with chronic diseases potentially linked to selenium imbalance.
- Individuals experiencing symptoms of selenosis, like gastrointestinal upset or hair loss.

Accurate testing helps maintain optimal selenium levels, supporting overall health.

Blood Test Preparation Guidelines

Time of day

It is recommended to schedule your appointment for blood tests in the morning hours between 7:00-10:00.

Fasting

It is recommended to fast for approximately 12 hours before blood sampling. The last meal of the previous day should ideally be consumed around 6:00 p.m. On the day before the test, avoid heavy and fatty meals as well as alcohol.

Stay hydrated

Drinking water prior to testing can help with sample collection.

Other factors

Tests should not be performed after a sleepless night or intense physical activity. It is recommended to avoid exercise and stress immediately before blood collection and to not smoke. A short rest is recommended.

Medications and supplements:

Blood samples should be collected before the morning dose. Some drugs can interfere with test results. Consult with your doctor whether you can delay your dose because of lab tests.

Biotin supplements:

High doses of biotin supplements can affect test results, causing false elevation or reduction. It's recommended to avoid taking biotin for at least 72 hours before blood collection. If you are taking biotin, inform the personnel collecting the blood so that they can provide specific instructions.

Interpreting Test Results

Understanding test results for red cell selenium is crucial for evaluating selenium levels in the body. This test helps identify deficiencies or excesses, guiding healthcare decisions. Key points include:

- Normal Range: Typically 150-241 μg/L for adults.
- Deficiency Risks: Impaired immunity, thyroid issues, and potential heart disease.
- Excess Risks: Selenosis, causing gastrointestinal and neurological symptoms.
- Clinical Context: Results should be interpreted alongside symptoms and other tests.
- Specimen Handling: Proper collection and storage are vital for accuracy.

Price of test:£49

The lowest price from the last 30 days: £49

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