Ulta Lab Tests

Cashew Nut Component

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The following is a list of what is included in the item above. Click the test(s) below to view what biomarkers are measured along with an explanation of what the biomarker is measuring.

Ana o3 (f443)

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The Cashew Nut Component test contains 1 test with 1 biomarker .

Test Name: Cashew Nut Component IgE Test

Synonyms: Cashew-specific IgE Component Test, Cashew Allergen Profile

Purpose of Test

This test measures the presence and concentration of IgE antibodies specific to certain protein components in cashews. It offers a more detailed and specific evaluation of a patient's sensitivity to cashews than a general IgE test for whole food allergens.

Clinical Significance

Specificity: Whole food allergen IgE tests, although sensitive, can sometimes yield positive results in patients who do not have a true food allergy. This can be due to cross-reactivity with other substances or non-specific binding.
Better Predictive Value: By examining specific protein components of the cashew nut, the Cashew Nut Component IgE Test can more accurately predict the likelihood of a true allergy. Some components may be more associated with severe allergic reactions, while others might correlate with milder symptoms or even be related to cross-reactivity with other foods or pollens.
Comprehensive Diagnosis: A definitive diagnosis of a cashew nut allergy should never rely solely on the results of the Cashew Nut Component IgE Test. A comprehensive evaluation that includes this test, combined with a thorough physical examination and a detailed clinical history, will provide the most accurate diagnosis.

Interpreting the Results

  • Negative Result: No significant levels of cashew-specific IgE detected. This suggests a low likelihood of a cashew allergy but does not rule it out entirely.
  • Positive Result: Elevated levels of cashew-specific IgE detected. The specific protein components to which the IgE antibodies bind can provide further insight into the potential severity of the allergy, cross-reactivity, and clinical relevance.

Precautions

Some medications or conditions might interfere with the test results.

Summary

The Cashew Nut Component IgE Test provides deeper insight into a patient's potential allergy to cashews. By targeting specific protein components, it offers a higher level of specificity than whole food allergen tests. However, as with any diagnostic test, results should be interpreted in conjunction with a full clinical evaluation.

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