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Corn (maize) IgG

Corn (maize) IgG

The cotinine serum test is a laboratory procedure designed to detect and measure cotinine, a nicotine metabolite, in the blood. As cotinine remains in the body longer than nicotine, this test offers a more reliable assessment of nicotine exposure. It is primarily used to evaluate recent tobacco use, monitor compliance with smoking cessation programs, and determine appropriate nicotine replacement therapy dosages. Additionally, it can help diagnose nicotine poisoning and verify adherence to no-smoking policies. The test involves drawing a blood sample, separating the serum, and analyzing it using liquid chromatography-tandem mass spectrometry (LC-MS/MS). Results are reported in nanograms per milliliter (ng/mL), with levels below 10 ng/mL typically indicating nonsmokers. While highly sensitive and specific, the test has limitations, such as difficulty distinguishing between active and passive exposure and variations in cotinine levels among different racial groups. Despite these limitations, the cotinine serum test remains a valuable tool in clinical settings.

Price of test:£34

The lowest price from the last 30 days: £34

Awaiting result:

One day

Collect material:

Blood

Prepare:

Learn more

Purpose of the test

The cotinine serum test is a crucial tool for assessing nicotine exposure. It detects cotinine, a nicotine metabolite, offering a reliable measure due to cotinine's longer presence in the body. Key purposes include:

- Monitoring tobacco use
- Assessing compliance with smoking cessation programs
- Determining nicotine replacement therapy dosage

Performed via blood sample analysis, it uses LC-MS/MS for precise results. Interpretation varies by exposure level, with nonsmokers typically under 10 ng/mL. Despite its reliability, limitations include passive exposure differentiation and racial variations. Overall, it aids in effective patient management and policy compliance.

Who Should Get Tested

The Corn (maize) IgG test is a diagnostic tool used to identify sensitivities to corn, potentially contributing to chronic symptoms. It measures IgG antibodies in the blood, indicating immunologic sensitization rather than a food allergy. Key points include:

- Clinical Utility: Useful in specific cases for diet evaluation.
- Procedure: Conducted via enzyme immunoassay.
- Specimen Requirements: Serum specimen needed.
- Turnaround Time: 2 to 4 business days.
- Interpretation: Results in mcg/mL; context-dependent.
- Limitations: Not definitive for allergies; requires physician oversight.

This test aids in managing conditions linked to corn consumption.

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 is crucial for interpreting the cotinine serum test accurately. This test measures cotinine levels in the blood, a reliable indicator of nicotine exposure. Key points to consider include:

- Result Units: Typically reported in nanograms per milliliter (ng/mL).
- Nonsmokers: Levels usually under 10 ng/mL.
- Light Smokers/Secondhand Exposure: Levels range from 11 to 30 ng/mL.
- Heavy Smokers: Levels often exceed 500 ng/mL.

Understanding these ranges helps in assessing nicotine exposure and ensuring compliance with smoking cessation programs.

Price of test:£34

The lowest price from the last 30 days: £34

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