IgE

 

Alternative names, keywords

Immunoglobulin E, total IgE

Samples required

Clotted blood (gold cap, 5 mL tube). Smaller tubes are available for paediatric samples.

Test indications

Test of limited value for routine use. Very low levels are against an atopic phenotype in the setting of rhinitis, eczema and small airway disease. Useful for dosing omalizumab in asthma and as part of the serological diagnosis of ABPA. Very raised levels are seen in Jobs syndrome (hyper-IgE syndrome).

Test information

Please note this test is not currently listed as UKAS accredited.

Reference range

Adult: < 81 kU/L

New-born - 3 months: < 5 KU/L
3 months - 1 year: < 11 KU/L
1 - 5 years: < 29 KU/L
5 - 10 years: < 52 KU/L
10 - 15 years: < 63 KU/L
15 years - adult:  < 75 KU/L 

Turnaround time

7 days

Enquiries

Immunology