Otolaryngology Book

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RAST

Aka: RAST, RadioAllergoSorbent Test
  1. Efficacy
    1. Highly specific for allergens
    2. Lower Test Sensitivity than allergy Skin Testing
  2. Indications
    1. Not recommended for food, venom, or drug allergies
    2. Alternative to Skin Testing in certain cases
      1. Skin Testing contraindicated
      2. Interfering medications (e.g. Antihistamines)
      3. Age <3 years
    3. Allergy Testing for common allergens
      1. Pet dander
      2. Dust mites
      3. Pollen
      4. Mold spores
  3. Approach: Screen Contents
    1. June Grass and cross reacting grasses
      1. Rye
      2. Sweet Vernal
      3. Timothy
      4. Brome
    2. Oak Tree
    3. Short ragweed
    4. Alternaria mold
    5. Dust mite
    6. Cat
  4. Technique
    1. Allergen coupled to a paper disc
    2. Patient's serum is added to paper disc
    3. Antigen-Antibody forms in the case of allergy
    4. Radioactive anti-IgE added and complexes with above
    5. Gamma counter scores binding
  5. Interpretation: RAST Scoring
    1. Class 0: 200-750 (No significant allergy)
    2. Class 1: 750-1600 (Mild allergy)
    3. Class 2: 1600-3600 (Moderate allergy)
    4. Class 3: 3601-8000
    5. Class 4: 8001-18000
    6. Class 5: 18001-40000 (Most allergic)

Radioallergosorbent Test (C0034554)

Definition (NCI) A type of blood test used to test for allergies.
Definition (MSH) An in vitro allergen radioimmunoassay in which allergens are coupled to an immunosorbent. The coupled allergens bind the IgE in the sera of patients which in turn binds radioisotope-labeled anti-IMMUNOGLOBULIN E antibodies.
Concepts Laboratory Procedure (T059)
MSH D011852
SnomedCT 69214006, 143398009, 166022006, 397587005
LNC LP6477-6
English Allergens Radioimmunosorbent Assay, Allergens Radioimmunosorbent Assays, Radioallergosorbent Test, Radioimmunosorbent Assay of Allergens, Test, Radioallergosorbent, Tests, Radioallergosorbent, Radioallergosorbent Tests, EAST test, RAST-Radio-allergosorbent test, radioallergosorbent test, rast test, east test, radioallergosorbent testing, rasts, Test;RAST, rast testing, rast tests, rast, Radioallergosorbent test, RAST - Radio-allergosorbent test, Radio-allergosorbent test, RAST test, Radioallergosorbent test (procedure), Radioallergosorbent test, NOS, RAST test, NOS, RAST
Italian Test di radioallergoadsorbimento, RAST, Prova di radioallergoassorbimento
Portuguese Prova radialergabsorvente, Teste de Radioalergoadsorção, Testes de Radioimunoensaio para Alérgenos, RAST, Teste radioalergoabsorvente
Spanish PRAA, Prueba de Radioalergoadsorción, Prueba de Radioinmunoadsorción de Alérgenos, prueba RAST, Test de Radioalergoadsorción, Ensayos de Alérgenos Radioinmunoadsorbente, RAST, prueba radioalergosorbente (procedimiento), prueba radioalergosorbente, Prueba de radioalergoabsorbente
Japanese RAST, 放射性アレルゲン吸着検査, RAST, ホウシャセイアレルゲンキュウチャクケンサ, 放射性アレルゲン吸着試験, アレルゲン放射性免疫吸着分析, ラジオアレルゴソルベントテスト, 放射性アレルギー吸着試験, 放射線アレルギー吸着検査法
Swedish Radioallergosorbent-test
Czech radioalergosorpční test, RAST, Radioalergosorbentní test
Finnish Radioallergosorbenttitesti
French RAST (RadioAllergoSorbent Test), Test RAST, Test radioallergosorbent, Test radioimmunosorbent d'allergènes, Test radioallergosorbant, RAST
Russian RADIOALLERGOSORBENTNYI TEST, RADIOIMMUNOSORBENTNYI ANALIZ ALLERGENOV, РАДИОАЛЛЕРГОСОРБЕНТНЫЙ ТЕСТ, РАДИОИММУНОСОРБЕНТНЫЙ АНАЛИЗ АЛЛЕРГЕНОВ
Polish Próba radioalergosorbentowa
Hungarian Radioallergosorbent vizsgálat, RAST (radioallergosorbent teszt)
Norwegian RAST, Radioallergosorbent test
Dutch radioallergosorbent test, RAST, Radio-allergo-sorbent-test, Test, radio-allergo-sorbent-
German RAST, Radio-Allergo-Sorbent-Test, Radioimmunosorbent Assay auf Allergene
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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