Lima bean IgE

The Mandelic Acid (Styrene) lab test is an essential diagnostic tool for evaluating styrene exposure, particularly in industrial settings like plastics and adhesives manufacturing. This test measures mandelic acid levels in urine, a metabolite of styrene, to assess exposure risk. Workers in these environments are at potential risk of toxic exposure, making this test crucial for occupational health monitoring.

A random urine sample, ideally collected at the end of a work shift, is analyzed using advanced techniques like gas chromatography and spectrophotometry. The test requires a minimum of 0.5 mL of urine, with a preferred volume of 10 mL, collected in a preservative-free plastic container. Results are typically available within seven days, although additional time may be needed for confirmatory tests.

By comparing mandelic acid levels to established reference intervals, healthcare professionals can determine exposure levels and associated health risks. This test is vital for ensuring worker safety and compliance with health regulations, helping to prevent adverse health effects from styrene exposure.

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 lab test for mandelic acid is essential for assessing styrene exposure in industrial workers. It measures mandelic acid levels in urine, a metabolite of styrene, to evaluate exposure risk. Key aspects include:

- Purpose: Assess styrene exposure by measuring mandelic acid.
- Methodology: Urine sample analysis using GC/FID and SPEC.
- Specimen Requirements: 10 mL urine, collected post-shift, refrigerated or frozen.
- Reference Intervals: Normal up to 5 mg/L; exposed levels higher.
- Clinical Significance: Identifies exposure, assesses risk, monitors safety.

This test is crucial for maintaining occupational health standards.

Who Should Get Tested

The Lima bean IgE test is essential for diagnosing allergies in patients with symptoms after consuming Lima beans. It uses the ImmunoCAP FEIA method, which is sensitive and specific, to detect allergen-specific IgE antibodies in the blood. Key points include:

- Specimen Requirements: 0.5 mL serum in a red-top or serum gel tube.
- Storage: Refrigerate for up to two weeks; frozen storage is viable for a year.
- Interpretation: Results range from negative to very high positive, indicating varying levels of allergic response.

Clinicians must correlate results with patient history for accurate diagnosis and management.

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 mandelic acid levels is crucial for assessing styrene exposure. Here's a concise guide:

- Normal Levels: Up to 5 mg/L in unexposed individuals.
- Exposed Levels: 800 mg/g creatinine at shift end; 300 mg/g creatinine before next shift.
- Toxic Levels: Central nervous depression at 800 mg/L; psychomotor issues above 1200 mg/L.

Elevated mandelic acid indicates styrene exposure, aiding in risk assessment and monitoring. Regular testing ensures worker safety in industries using styrene.

Price of test:£34

The lowest price from the last 30 days: £34

AI-Powered Insights and Expert Validation

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