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Worcestershire Acute Hospitals NHS Trust
Allergy Testing
Various test specific
Referral code
Test information
Allergen specific IgE: A wide range of allergens are available to test for allergen specific IgE and it is essential that as much clinical information as possible is supplied by the clinician so the most appropriate testing can be performed. Allergen specific IgE testing is not to be used as a screening test for allergy. Raised allergen specific IgE (> 0.35KuA/L) can be found without any clinical history of allergic reactions, particularly in atopic individuals (See above). Positive or raised specific IgE is not a 100% proof of allergy and must be interpreted in the light of individual atopic status and clinical history. It is recommended that patients with strong clinical history should to be referred to the Allergy clinic for further evaluation irrespective of total and/or specific IgE levels. 
Special requirements
Tube type
SST, Plain or Lithium Heparin
Gold, red and green top tubes
Assay frequency
Twice weekly
TAT GP/Outpatient
up to 7 days
Referral lab
Immunology Russells Hall Hospital
Page last updated: 11 January 2022