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Proteinase 3 Ab's

Proteinase 3 Ab's

An IgE blood test is a diagnostic tool designed to measure immunoglobulin E (IgE) antibodies in the blood, which are produced by the immune system in response to allergens. This test is essential for diagnosing allergies to substances like foods, pets, pollens, and more, especially for individuals who cannot undergo skin prick testing due to certain conditions or medications. There are two main types of IgE blood tests: the total IgE test, which measures the overall IgE levels and is used for diagnosing immune disorders and allergic reactions, and the specific IgE test, which identifies specific allergens causing reactions. The test can detect a wide range of allergens, including food, pet dander, pollen, mold, and more. Conducted either in a clinical setting or at home, the results help healthcare providers develop personalized treatment plans. While offering comprehensive and accurate insights, the test should be interpreted alongside a patient's symptoms to ensure effective allergy management.

Price of test:£78

The lowest price from the last 30 days: £78

Awaiting result:

One day

Collect material:

Blood

Prepare:

Learn more

Purpose of the test

An IgE blood test measures immunoglobulin E antibodies to diagnose allergies. It is useful for those unable to undergo skin prick testing. There are two main types:

- Total IgE Test: Measures all IgE antibodies, useful for diagnosing immune disorders but not specific allergies.
- Specific IgE Test: Identifies specific allergens, aiding in personalized treatment plans.

Common allergens tested include:

- Food (nuts, shellfish)
- Pet dander
- Pollen
- Mold
- Medicines

The test can be performed in a clinical setting or at home, offering convenience and safety.

Who Should Get Tested

Patients suspected of having autoimmune vasculitis, especially those with kidney or lung symptoms, should be tested for PR3 ANCA. This test is crucial for diagnosing and monitoring Granulomatosis with Polyangiitis (GPA). Key points include:

- Positive Result: Indicates active GPA, with levels above 3 IU/mL.
- Negative Result: Typically rules out active GPA, but not entirely.
- Equivocal Result: Requires further testing.

PR3 ANCA levels help monitor disease activity and treatment response, though they may not always align with clinical status.

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 managing allergies effectively. Here's a brief guide:

- Total IgE Test: High levels may suggest an allergic condition but don't specify allergens. They can also indicate parasitic infections or immune disorders.

- Specific IgE Test: Results are categorized by IgE concentration:
- Absent/Undetectable: Unlikely allergy.
- Low: Doubtful significance.
- Moderate: Possible allergy.
- High: More likely allergy.
- Very High: More likely allergy.
- Extremely High: Extremely likely allergy.

Understanding these results helps tailor treatment plans and manage symptoms effectively.

Price of test:£78

The lowest price from the last 30 days: £78

AI-Powered Insights and Expert Validation

Advanced AI Interpretation

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