Sign in →

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

Reporting Name

Narcolepsy Associated Ag, B

Useful For

Ruling out a diagnosis of narcolepsy

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Whole Blood ACD-B


Specimen Required


Container/Tube: Yellow top (ACD solution B)

Specimen Volume: 6 mL

Collection Instructions: Do not transfer blood to other containers.

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
Whole Blood ACD-B Refrigerated (preferred)
  Ambient 

Reference Values

An interpretive report will be provided.

Day(s) and Time(s) Performed

Monday through Friday; 7:30 a.m.-5:00 p.m.

Test Classification

This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.

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 In Process

 

Result ID Test Result Name Result LOINC Value
NARC_ Narcolepsy Associated Ag Result 53938-7
NARCC Interpretation No LOINC Needed

Method Name

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

(PCR is utilized pursuant to a license agreement with Roche Molecular Systems, Inc.)