Allergen Specific IgE Tests, Blood - Saskatoon
Discipline
Biochemistry
Overview
Description
Test Ordering Requirements
Forms Required
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Allergy Testing Requisition #101214 must accompany specimen and must have specific test/s indicated
Alias
- Food allergy screen
- Inhalant screen
- RAST
Specimen Information
Specimen types accepted
- Serum
Specimen collection container
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Preferred collection container: Blood - Gold (gel) 5.0 mL
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Alternative collection container: Blood - Red (no additive) 6.0 mL
Required volume
- Optimal volume: 5.0 mL full collection tube
- Minimum/pediatric volume: 2.0 mL
(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)
Transport and stability
- 7 days at 2 - 8°C
- 3 months at -20ºC
Rejection criteria
- Specimens received where the proper collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Performance
Methodology
- Fluoroenzyme Immunoassay
Days/times performed
| Availability |
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| Testing Site |
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Maximum laboratory time
- Reported within 7 days
Specimen retention time
- 3 days
Other information
Reflex Testing
- Specific allergen testing will be performed when food and/or inhalant screens are positive
Last Updated: October 3, 2024