Sign in →

Test Code NARC Narcolepsy-Associated Antigen, HLA-DQB1 Typing, Blood

Reporting Name

Narcolepsy Associated Ag, B

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Useful For

Ruling out a diagnosis of narcolepsy

Method Name

Polymerase Chain Reaction (PCR)/Sequence-Specific Oligonucleotide Probes (SSO)


Specimen Required


Container/Tube:

Preferred: Yellow top (ACD solution B)

Acceptable: Yellow top (ACD solution A), lavender top (EDTA)

Specimen Volume: 6 mL

Collection Instructions: Send whole blood specimen in original vial. Do not aliquot.

Additional Information: Specimen acceptability is based on extracted DNA concentration and not sample age.


Specimen Type

Whole Blood ACD-B

Specimen Minimum Volume

3 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Whole Blood ACD-B Refrigerated (preferred)
  Ambient 

Reject Due To

All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Reference Values

An interpretive report will be provided.

Interpretation

If DQB1*06:02 is not detected, the narcolepsy-associated antigen test result will be reported as negative for DQB1*06:02.

 

If the allele is detected, the result will be reported as positive for DQB1*06:02.

Day(s) Performed

Monday through Friday

Report Available

3 to 8 days

Test Classification

This test has been modified from the manufacturer's instructions. Its performance characteristics were determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information

81376-HLA Class II typing, low resolution (eg, antigen equivalents); one locus (eg, HLA-DRB1/3/4/5, -DQB1, -DQA1, -DPB1, or -DPA1), each

LOINC Code Information

Test ID Test Order Name Order LOINC Value
NARC Narcolepsy Associated Ag, B 63558-1

 

Result ID Test Result Name Result LOINC Value
NARC_ Narcolepsy Associated Ag Result 63558-1
NARCC Interpretation 50595-8