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Laboratory: Clinical Biochemistry
Test Name:
Test Code: RAST
Clinical Information:
Test performed at:  Health Sciences Centre
Test Indications: Specific IgE testing is used as an aid in the clinical diagnosis of IgE mediated allergic disorders in conjunction with clinical findings
Testing is available to allergists only.
The specific allergen(s) to be tested must be indicated on the request form
Collection Devices:
Specimen Required:

Serum: 2.0 mL
Pediatric Serum: 1.0 mL

Heparin plasma is also acceptable
Stability 7 days refrigerated, 6 months frozen
Serum: 2.0 mL

Samples must be transferred to TWO aliquot tubes and sent frozen to Health Sciences Centre.
Reference Values:
Undetectable:< 0.35 KUa/L
Low:0.35 - 0.70 KUa/L
Moderate:0.70 - 3.50 KUa/L
High:3.50 - 17.5 KUa/L
Very High:> 17.5 KUa/L

(KUa/L = IU/mL)
(IU/mL x 2.4 = ng/mL)

Specific days
See Also:
More Information: