Narcolepsy - HLA DQ
| Abbrev Code: | NARCO | ||
| Order Code: | LAB6442 | Order Name: | Narcolepsy HLA-DQ |
| Order Instructions: | If this test is being added on, comment ADD-ON in the Comment field when placing a normal order in Epic. Immunology will receive the printout directly. All other lab areas should discard the Immunology ADD-ON printout. | ||
| Synonyms: | HLA Class II Typing | ||
| Methodology: | Molecular PCR/SSOP/SSP/NGS (next generation sequencing) | ||
| CPT Codes: | 81383 x1, 81382 x2, 81375 x1 | ||
| Test Includes: | Molecular definition of all Class II HLA antigen specificities recognized by WHO. | ||
| Turnaround Time: | Results are reported within 10 days. | ||
| Special Instructions: | A signed consent form in the patient's medical record is required; the consent should not be sent to the laboratory. The link to the Genetic Testing Consent form is provided as a convenience for the providers and genetic counselors. | ||
Collection Instructions
| Specimen: | Blood. Buccal swabs, amniotic cells or chorionic villus cells may also be used in this assay. Call the laboratory to make special arrangements (612-273-3100). |
| Optimal Volume: | 3 mL |
| Minimum\Peds Volume: | 2 mL |
| Container: | Purple (EDTA) Alternate Containers: See Collection Instructions |
| Collection Instructions: | Buccal swabs, amniotic cells or chorionic villus cells may also be used in this assay. Call the laboratory to make special arrangements (612-273-3100). |
| Causes for Rejection: | Specimen clotted. |
Processing and Shipping
| Specimen Processing: | Store at room temperature. |
| Shipping Instructions: | Ship at room temperature. |
| Test Performed at or Referral Lab | Immunology (UMMC East) |
Interpretive
| Reference Range: |
DQB1*06:02 positive associated with narcolepsy
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