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ID:249 Specific IgE (sIgE)
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DescriptionAllergen specific IgE (sIgE).
IndicationEvaluation of suspected allergy (Type 1 IgE mediated hypersensitivity).
Additional InfoRequests should be for specific allergens as indicated by the patients clinical history. Requests for 'RAST' will not be accepted. For rare specific IgE tests samples will be referred to Sheffield Protein Reference unit for testing, therefore please allow additional time for sample dispatch and return of results.
Concurrent Testsna
Dietary Requirementsna

InterpretationThe presence of significant levels of specific IgE antibodies to defined allergens in conjunction with a relevant clinical history is suggestive of IgE mediated allergy. However, the finding of a positive result does not indicate that any particular allergen is responsible for th patients symptoms. The significance of a result can only be interpreted in the context of a fully allergic history. More over, a negative result does not exclude the possibility of IgE involvement. In certain circumstances skin-prick testing may be necessary.

Ref. Range (Male)See note
Ref. Range (Female)
Ref. Range (Paed)
Ref. Range NotesGrade 0 = <0.35 Grade 1 = 0.35-0.69 Grade 2 = 0.7-3.5 Grade 3 = 3.5-17.5 Grade 4 = >17.5
Unitskua/L


IP Acute TAT- Contact Laboratory
IP Routine TAT7 days
GP Acute TAT- Contact Laboratory
GP Routine TAT7 days
Turnround CommentNA
Originally edited by : T.Bradley. Last edited on 14/09/2018 14:34:09. Published By AM on 14/09/2017 14:34:09.