Allergen Profile, Latex-related

CPT: 86003(x5)
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Test Details

Test Includes

Avocado; banana; chestnut; kiwi; latex

Methodology

Thermo Fisher ImmunoCAP®

Additional Information

The oral allergy syndrome (OAS), also referred to as the pollen-food allergy syndrome,1 is a unique form of food allergy characterized by a localized reaction of the mouth and throat that occurs when affected individuals eat certain fresh fruits and vegetables.2 Patients with allergy to latex will also often have allergies to one or more food allergens including banana, kiwi, avocado, and chestnut. Individuals with OAS experience contact urticaria (itching and hives) that is confined almost exclusively to the mouth and throat upon ingestion of the triggering food. This condition only rarely affects other target organs.2 Characteristic symptoms of OAS include itching of the lips, palate, tongue, and throat.2 OAS is a self-limiting condition with symptoms that occur immediately on contact with foods and typically resolve rapidly. It is important to differentiate these symptoms from systemic and life-threatening allergic throat constricting reactions that can occur during anaphylaxis. It is interesting to note that individuals with OAS to certain food groups frequently suffer from allergy to related nonfood allergens. Allergy to certain nonfood allergens (such as pollens) appears to predispose individuals for the development of associated food allergy.2

Specimen Requirements

Specimen

Serum

Volume

1 mL

Minimum Volume

0.5 mL (Note: This volume does not allow for repeat testing.)

Container

One 8.5 mL red-top tube or one 8.5 mL gel-barrier tube

Storage Instructions

Room temperature

Causes for Rejection

Recently administered isotopes; improper labeling; gross hemolysis

Clinical Information

Footnotes

1. Sampson HA. Food allergy−Accurately identifying clinical reactivity. Allergy. 2005; 60(Suppl 79):19-24. 15842229
2. American Academy of Allergy, Asthma, and Immunology, The Allergy Report. Milwaukee, Wis: AAAAI; 2000.

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
670654 Allergen Profile, Latex Plus 602444 Class Description N/A
670654 Allergen Profile, Latex Plus 602669 K082-IgE Latex kU/L 6158-0
670654 Allergen Profile, Latex Plus 602745 F096-IgE Avocado kU/L 6033-5
670654 Allergen Profile, Latex Plus 602742 F092-IgE Banana kU/L 6035-0
670654 Allergen Profile, Latex Plus 602538 F299-IgE Sweet Chestnut kU/L 6259-6
670654 Allergen Profile, Latex Plus 602734 F084-IgE Kiwi Fruit kU/L 6154-9
Reflex Table for K082-IgE Latex
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 602444 Class Description 602444 Class Description N/A
Reflex Table for F096-IgE Avocado
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 602444 Class Description 602444 Class Description N/A
Reflex Table for F092-IgE Banana
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 602444 Class Description 602444 Class Description N/A
Reflex Table for F299-IgE Sweet Chestnut
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 602444 Class Description 602444 Class Description N/A
Reflex Table for F084-IgE Kiwi Fruit
Order Code Order Name Result Code Result Name UofM Result LOINC
Reflex 1 602444 Class Description 602444 Class Description N/A

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