Latex IgG

The latex IgG test is a diagnostic tool designed to detect IgG antibodies against latex in a patient's serum, crucial for diagnosing latex allergies. These allergies can range from mild skin irritations to severe anaphylactic reactions, often triggered by exposure to products like medical gloves and balloons. The test primarily uses the enzyme-linked immunosorbent assay (ELISA) method to quantify IgG antibody levels, providing insights into the patient's immune response to latex. Results are categorized from negative to extremely positive, indicating varying levels of immune response. Clinically, the test aids in diagnosing latex allergies, confirming sensitization before immunotherapy, and investigating allergic reactions to other substances. However, it has limitations, such as potential false positives and the need for specialist interpretation. Additionally, individuals with latex allergies may experience cross-reactivity with certain fruits and vegetables, like bananas and avocados. Overall, the latex IgG test is a valuable tool when used alongside clinical evaluations for effective allergy management.

Price of test:£39

The lowest price from the last 30 days: £39

Awaiting result:

12 hours

Collect material:

Blood

Prepare:

Learn more

Purpose of the test

The latex IgG test is a diagnostic tool for detecting IgG antibodies against latex in serum, crucial for diagnosing latex allergies. It helps identify immune responses to latex, aiding in:

- Diagnosing latex allergy, which ranges from mild irritation to severe reactions.
- Confirming sensitization before immunotherapy.
- Investigating allergic reactions to various substances.

The test uses ELISA to measure IgG concentration, with results interpreted as negative, borderline, positive, or strongly positive. Despite its utility, limitations include false positives and the need for specialist interpretation. Cross-reactivity with allergens like banana and kiwi is common.

Who Should Get Tested

The latex IgG test is crucial for diagnosing latex allergies, especially for those frequently exposed to latex products like medical gloves. This test measures IgG antibodies, indicating an immune response to latex. Here's a brief overview:

- Purpose: Identifies latex allergy, confirms sensitization before immunotherapy, and investigates allergic reactions.
- Methodology: Uses ELISA to measure IgG levels in serum.
- Interpretation:
- Negative: <0.10 kU/L
- Positive: 0.70-3.49 kU/L
- Strongly Positive: >3.50 kU/L

Despite its utility, the test has limitations, including potential false positives and the need for specialist interpretation.

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 latex IgG test. This diagnostic tool measures IgG antibodies against latex, aiding in allergy diagnosis and management. Here's a brief guide:

- Negative: Below 0.10 kU/L, indicating no significant IgG levels.
- Borderline: 0.10-0.34 kU/L, suggesting low IgG levels; inconclusive.
- Equivocal: 0.35-0.69 kU/L, moderate IgG levels; further testing needed.
- Positive: 0.70-3.49 kU/L, significant IgG levels.
- Strongly Positive: 3.50-17.4 kU/L, strong immune response.
- Extremely Positive: Above 17.5 kU/L, very strong immune response.

Results should be interpreted in clinical context for accurate diagnosis.

Price of test:£39

The lowest price from the last 30 days: £39

AI-Powered Insights and Expert Validation

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