COWIN PATH LABS | Green Bean Test

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Green Bean Test	-

Tests for IgE antibodies to green beans to diagnose food allergies, causing digestive issues or skin reactions, helping guide dietary management.
	Synonym	Green Bean IgE
	Test Code	ALLT26040100
	Test Type	Allergology
	Pre-Test Condition	No special
	Report Availability	2-3 D(s)
	# Test(s)	1

Test details	Sample Report
Green Bean Test

	Synonym	Green Bean IgE
	Test Code	ALLT26040100
	Test Category	Food Allergy (Green Bean)
	Pre-Test Condition	No special
	Medical History	Share & see Updates
	Report Availability	2-3 D(s)
	Specimen/Sample	Refer Updates
	Stability @21-26 deg. C	6 H(s)
	Stability @ 2-8 deg. C	1 W(s)
	Stability @ Frozen	1 M(s)
	# Test(s)	1
	Processing Method	Immunoassay

Overview: Green Bean Test

Introduction: The Green Bean Test tests for IgE antibodies to green beans to diagnose food allergies, causing digestive issues or skin reactions, helping guide dietary management. Affecting 1 in 100 people with food allergies, green bean sensitivity poses diagnostic challenges due to cross-reactivity. Following 2023 American Academy of Allergy, Asthma & Immunology (AAAAI) guidelines, it uses immunoassay for high sensitivity, supporting allergology screening. This test is essential for diagnosis, dietary planning, and improving outcomes in allergology.

Other Names: Green Bean IgE Test, Food Allergy Assay.

FDA Status: Laboratory-developed test (LDT) meeting allergology standards for diagnostic reliability.

Historical Milestone: Food allergy testing began in the 1960s with research by Ishizaka, who identified IgE. Immunoassay advancements in the 1990s by Pharmacia improved detection, surpassing earlier skin tests.

Purpose: Measures green bean IgE levels to diagnose food allergy, guides allergen avoidance, and evaluates patients with digestive issues, aiming to prevent reactions.

Test Parameters: Green bean IgE levels

Pretest Condition: No special preparation required. Collect serum. Report history of allergy symptoms.

Specimen: Serum (SST, 2-5 mL); 2 mL serum in SST. Transport in a biohazard container.

Sample Stability at Room Temperature: 6 hours

Sample Stability at Refrigeration: 1 week

Sample Stability at Frozen: 1 month

Medical History: Document digestive issues or skin reactions. Include current medications or allergen exposure.

Consent: Written consent required, detailing the test's purpose, allergy risks (e.g., anaphylaxis), and sample collection risks.

Procedural Considerations: Uses immunoassay to measure IgE, requiring labs with analyzers. Results available in 2-3 days. Performed in labs with strict handling.

Factors Affecting Result Accuracy: Sample hemolysis or contamination can affect results. Medications may alter levels, requiring correlation.

Clinical Significance: Elevated IgE confirms allergy, guiding avoidance. Early management might prevent reactions, while untreated cases lead to worsening. Normal levels may require other allergen tests.

Specialist Consultation: Consult an allergist for interpretation.

Additional Supporting Tests: Skin prick test, total IgE, or food challenge to confirm diagnosis.

Test Limitations: Specific to green beans; correlation with symptoms needed. False positives possible with cross-reactivity.

References: AAAAI Guidelines, 2023; Journal of Allergy and Clinical Immunology, Ishizaka K, 2022.