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

Reporting Name

Narcolepsy Associated Ag, B

Useful For

Ruling out a diagnosis of narcolepsy

Method Name

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

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Whole Blood ACD-B


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 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.

Day(s) Performed

Monday through Friday

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

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.

Report Available

3 to 8 days

NY State Approved

Yes