RAST testing
Clinical Background:
RAST testing is indicated in patients unsuitable for skin prick testing.
RAST testing is indicated in patients unsuitable for skin prick testing.
Test Details
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Discipline:
Immunology
Immunology
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Specimen Container Adult:
Serum-SST
Serum-SST
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Specimen Container Paediatric:
Serum-Plain tube
Serum-Plain tube
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Minimum Volume Adult:
1 ml (more for each)
1 ml (more for each)
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Minimum Volume Paediatric:
1 ml (more for each)
1 ml (more for each)
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Special Requirement:
An extra volume of blood sample will be required for each extra allergen requested (0.5 ml per allergen).
An extra volume of blood sample will be required for each extra allergen requested (0.5 ml per allergen).
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Freq Analysis:
Twice Weekly
Twice Weekly
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Add On Test:
All urgent add ons via telephone on 0191 2821890, and must be confirmed via email to nuth.autoimmunity@nhs.net
All urgent add ons via telephone on 0191 2821890, and must be confirmed via email to nuth.autoimmunity@nhs.net
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Quality Assurance:
UK NEQAS for Specific IgE
UK NEQAS for Specific IgE
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Interpretation:
The significance of any result depends on the clinical context; a positive result does not mean that a particular allergen is responsible for clinical symptoms. A negative result for an allergen do...
Read MoreThe significance of any result depends on the clinical context; a positive result does not mean that a particular allergen is responsible for clinical symptoms. A negative result for an allergen does not necessarily exclude an allergy.
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Reference Ranges:
Normal Range: <0.35 kAU/L
Normal Range: <0.35 kAU/L
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Other Info:
The request must specify which allergens are to be tested, where there is doubt please discuss with the laboratory or with an Immunologist. Reported as values in kAU/L. The significance of any resu...
Read MoreThe request must specify which allergens are to be tested, where there is doubt please discuss with the laboratory or with an Immunologist. Reported as values in kAU/L. The significance of any result depends on the clinical context; a positive result does not mean that a particular allergen is responsible for clinical symptoms. A negative result for an allergen does not necessarily exclude an allergy. An extra volume of blood sample will be required for each extra allergen requested (0.5 ml per allergen).
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Routine Contact Name:
Autoimmunity Lab
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Routine Telephone:
0191 282 1890
0191 282 1890
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Routine Email: