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HelpTest Code NARCM Narcolepsy-Associated Antigen, HLA-DQB1 Typing, Blood
Additional Codes
| Mayo | NARC |
| Epic ID | LAB3784 |
Specimen Type
Whole Blood ACD-BSpecimen 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.
UPH Waterloo Region Lab Test Catalog
Note:
Collect EDTA whole blood.
Specimen Minimum Volume
3 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Whole Blood ACD-B | Refrigerated (preferred) | |
| Ambient | ||
UPH Waterloo Region Lab Test Catalog
Note:
Transport EDTA whole blood refrigerated in original tube.
Reject Due To
| Extracted DNA | Reject |
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Method Name
Polymerase Chain Reaction (PCR)/Sequence-Specific Oligonucleotide Probes (SSO)
Useful For
Ruling out a diagnosis of narcolepsy
Day(s) Performed
Monday through Friday
Report Available
3 to 8 daysReference Values
An interpretive report will be provided.
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