Gastrin

The Garlic IgG test is a diagnostic tool designed to detect IgG antibodies to garlic in a patient's serum, indicating an immune response that may contribute to gastrointestinal and systemic symptoms. It is particularly useful for patients experiencing adverse reactions, such as bloating or abdominal pain, after consuming garlic. The test helps identify potential sensitization to garlic, aiding in symptom management and treatment planning. A blood sample is collected, and the serum is analyzed using a quantitative immunoassay, specifically the ImmunoCAP Fluorescent Enzyme Immunoassay (FEIA). Results are interpreted based on IgG concentrations, with higher levels suggesting sensitization. While not a definitive allergy test, it provides valuable insights for healthcare providers to recommend dietary changes or other interventions. The test is conducted in CLIA-certified labs and is part of Laboratory Developed Tests (LDTs). It is essential for healthcare professionals to interpret the results within the broader context of patient symptoms and other diagnostic findings.

Price of test:£108

The lowest price from the last 30 days: £108

Awaiting result:

One day

Collect material:

Blood

Prepare:

Learn more

Purpose of the test

The Garlic IgG test is a diagnostic tool used to identify IgG antibodies to garlic in a patient's serum, indicating an immune response. It is useful for patients with adverse reactions to garlic, such as bloating or abdominal pain. Key points include:

- Purpose: Identifies potential sensitization to garlic.
- Procedure: Requires a blood sample, with serum separated quickly.
- Methodology: Uses ImmunoCAP FEIA for accurate results.
- Interpretation: IgG levels indicate sensitization.
- Considerations: Not FDA-approved; used in CLIA-certified labs.
- Applications: Aids in managing unexplained gastrointestinal symptoms.

Who Should Get Tested

The gastrin blood test is essential for diagnosing gastrointestinal disorders linked to abnormal gastrin levels. It helps identify conditions like:

- Zollinger-Ellison Syndrome: Characterized by gastrin-producing tumors causing excessive gastric acid.
- Gastrinoma: Similar to Zollinger-Ellison but less common.
- G-Cell Hyperplasia: Overactive gastrin-producing cells leading to ulcers.
- Chronic Gastritis: Inflammation causing increased gastrin.
- H. pylori Infection: Bacterial infection elevating gastrin levels.

Preparation involves fasting, medication adjustments, and avoiding biotin. The test, performed via blood draw, aids in diagnosing these conditions effectively.

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 effective symptom management and treatment planning. Here's a concise guide:

- Purpose: Identifies IgG antibodies to garlic, indicating potential sensitization.
- Procedure: Requires a blood sample; serum is analyzed using ImmunoCAP FEIA.
- Interpretation: IgG levels <2.00 mcg/mL are undetectable; higher levels suggest sensitization.
- Considerations: Not a definitive allergy test; used for dietary evaluation.
- Turnaround: Results in 1-8 days, reported in mcg/mL.
- Applications: Aids in managing unexplained gastrointestinal symptoms through dietary adjustments.

Price of test:£108

The lowest price from the last 30 days: £108

AI-Powered Insights and Expert Validation

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