Allergen-Specific Immunoglobulin E

Allergen-Specific Immunoglobulin E is a topic covered in the Davis's Lab & Diagnostic Tests.

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General

Synonym/Acronym:
Allergen profile, radioallergosorbent test (RAST), ImmunoCAP Specific immunoglobulin E (IgE).

Common Use:
To assist in identifying environmental allergens responsible for causing allergic reactions.

Specimen:
Serum collected in a gold-, red-, or red/gray-top tube.

Normal Findings:
(Method: Radioimmunoassay or fluorescence enzyme immunoassay [FEIA])

RAST Scoring Method (Radioimmunoassay) and ImmunoCAP Scoring Guide (FEIA)Conventional and SI Units Allergen-Specific IgE
Specific IgE Allergen Antibody LevelkU/L
Absent or undetectable allergyLess than 0.35
Low allergy0.35–0.7
Moderate allergy0.71–3.5
High allergy3.51–17.5
Very high allergy17.6–50
Very high allergy51–100
Very high allergyGreater than 100

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Citation

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TY - ELEC T1 - Allergen-Specific Immunoglobulin E ID - 425197 Y1 - 2017 PB - Davis's Laboratory & Diagnostic Tests UR - https://nursing.unboundmedicine.com/nursingcentral/view/Davis-Lab-and-Diagnostic-Tests/425197/all/Allergen_Specific_Immunoglobulin_E ER -