Investigations |
HLA-DQ Typing for Narcolepsy |
Inform lab before sending |
Not required |
Specimen type |
4ml EDTA |
Ideal time to take specimen |
Not applicable |
Labelling requirements |
click here |
How to take the specimen |
Whole blood into EDTA |
Transport to the laboratory |
see H&I General Information Page |
Test Times |
Test is a single assay, no repeat testing requirements are required |
Turnround |
10 working days |
Additional information |
Genetic testing for narcolepsy, particularly, HLA-DQB1*06:02 typing is useful as an aid to diagnosis in patients with cataplexy but the association is not specific as there are many narcolepsy patients with HLA-DQB1*06:02 and many HLA-DQB1*06:02 persons who do not have narcolepsy.
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Additional Examination Requests |
A primary sample must be received for this test |