Narcolepsy - HLA DQ


Abbrev Code:NARCO   
Order Code:LAB6442Order Name:Narcolepsy HLA-DQ
Order Instructions:If this test is being added on, comment ADD-ON in the Comment field when placing a normal order in Epic. Immunology will receive the printout directly. All other lab areas should discard the Immunology ADD-ON printout.
Synonyms:HLA Class II Typing
Methodology:Molecular PCR/SSOP/SSP/NGS (next generation sequencing)
CPT Codes: 81383 x1, 81382 x2, 81375 x1
Test Includes:Molecular definition of all Class II HLA antigen specificities recognized by WHO.
Turnaround Time:Results are reported within 10 days.
Special Instructions:A signed consent form in the patient's medical record is required; the consent should not be sent to the laboratory. The link to the Genetic Testing Consent form is provided as a convenience for the providers and genetic counselors.


Collection Instructions

Specimen:Blood. Buccal swabs, amniotic cells or chorionic villus cells may also be used in this assay. Call the laboratory to make special arrangements (612-273-3100).
Optimal Volume:3 mL
Minimum\Peds Volume:2 mL
Container:Purple (EDTA)
Alternate Containers: See Collection Instructions
Collection Instructions:Buccal swabs, amniotic cells or chorionic villus cells may also be used in this assay. Call the laboratory to make special arrangements (612-273-3100).
Causes for Rejection:Specimen clotted.


Processing and Shipping

Specimen Processing:Store at room temperature.
Shipping Instructions:Ship at room temperature.
Test Performed at or Referral Lab Immunology  (UMMC East)


Interpretive

Reference Range:
  DQB1*06:02 positive associated with narcolepsy    


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