Allergen, Food, Beef

Casandra

Casandra Test Code AR43125Version 1 (DRAFT)

Performing Lab

Lab ARUP LaboratoriesLab Test ID 0055096CPT Code 86003

Also known as: BEEF

Clinical Use

Order Test

Use

The Allergen, Food, Beef test is used to evaluate the presence of specific IgE antibodies to beef allergens in the blood. This test helps identify individuals who might be allergic to beef, which could be critical for diagnosing food allergies and informing dietary modifications. The test provides a quantitative measurement of allergen-specific IgE levels, aiding in the assessment of allergic responses and potential clinical reactions to beef consumption.

Special Instructions

Multiple patient encounters should be avoided to ensure accurate measurement of allergen-specific IgE levels. It is important to coordinate with a specialist for the interpretation of results, especially when the IgE levels are in the range of 0.10-0.34 kU/L, where clinical relevance may be undetermined. Proper specimen collection, handling, and storage are crucial for valid results.

Limitations

The test results may not always correlate with clinical allergy symptoms or skin testing results. A negative test result does not rule out the possibility of a clinical allergy or anaphylaxis. Results should be interpreted in conjunction with the patient's clinical history and in vivo reactivity to beef allergens. IgE concentrations might not directly correlate with the severity of clinical reactions.

Test Details

FDA Approved

New York Approved

Methodology

Immunoassay (Fluorescent Enzyme Immunoassay)

Biomarkers

Allergen-specific IgE

Analyte

IgE Level • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)

LOINC Codes

Result Codes

6039-2

Result Turnaround Time

1-3 days

Specimen

Serum

Volume

0.5 mL

Minimum Volume

0.25 mL

Container

ARUP Standard Transport Tube

Collection Instructions

Collect blood in a serum separator tube. Separate serum from cells as soon as possible or within 2 hours of collection. Transfer the required volume to a transport tube.