Specific IgE (sIgE)
Allergen specific IgE (sIgE). Requests 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.
| Tube | Serum Gel |
|---|---|
| ID | 12788 |
| Availability | Weekdays |
| Additional Information | The 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. |
| Turn Around | 7 days |
| Send to | Leeds General Infirmary Clinical Immunology Old Medical School Great George Street Leeds LS1 3EX |
| Collection Con | Samples less than 2ml whole blood are unlikely to be sufficicient for allergy testing. |
| Frequency | Daily |
| Sample REQ | Blood |
| Ref. Range (Male) | Grade 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 |
| Ref. Range (Female) | Grade 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 |
| Ref. Range (Paed) | Grade 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 |
| Units | kua/L |
| IP Acute TAT | - Contact Laboratory |
| IP Routine TAT | 7 days |
| GP Acute TAT | - Contact Laboratory |
| GP Routine TAT | 7 days |
| Telepath | Various |
| ICE Codes | Various |
