BCH Order Code NARCAG Narcolepsy-Associated Antigen, HLA-DQB1 Typing, Blood
Additional Codes
Mayo Test ID |
---|
NARC |
Reporting Name
Narcolepsy Associated Ag, BUseful For
Ruling out a diagnosis of narcolepsy
Performing Laboratory

Specimen Type
Whole Blood ACD-BSpecimen 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 | Special Container |
---|---|---|---|
Whole Blood ACD-B | Refrigerated (preferred) | ||
Ambient |
Reference Values
An interpretive report will be provided.
Day(s) Performed
Monday through Friday
Test Classification
This test has been cleared, approved, or is exempt by the US 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 | 63558-1 |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
NARC_ | Narcolepsy Associated Ag Result | 63558-1 |
NARCC | Interpretation | 50595-8 |
Report Available
5 to 9 daysMethod Name
Polymerase Chain Reaction (PCR)/Sequence-Specific Oligonucleotide Probes (SSO)