Narcolepsy HLA Evaluation
Order Name
NARCO HLA
Test Number: 5194340
Revision Date 12/12/2022
Test Number: 5194340
Revision Date 12/12/2022
| Test Name | Methodology | LOINC Code |
|---|---|---|
|
Narcolepsy HLA Evaluation
|
Polymerase Chain Reaction |
| SPECIMEN REQUIREMENTS | ||||
|---|---|---|---|---|
| Specimen | Specimen Volume (min) | Specimen Type | Specimen Container | Transport Environment |
| Preferred | 7 mL (3 mL) | EDTA Whole Blood | EDTA (Lavender Top) | Room Temperature |
| Alternate 1 | See Instructions | Buccal swab | See Instructions | See Instructions |
| Instructions | Notes: 3 mL or four buccal swabs Specimen Type: Lavender-top (EDTA) tube or four buccal swabs in a sealed envelope (buccal swab kit). If submitting buccal swabs, please use the kit provided by LabCorp. To obtain the buccal swab kit or to discuss other specimen types, please telephone 800-533-1037. Specimen Storage: Maintain specimen at room temperature. Protect from extreme heat or cold. Specimen Collection: Not Available Special Instructions: If you have questions, please telephone HLA customer service at 800-533-1037 for assistance in selecting the appropriate HLA test for the patient. Specimen Stability: Ambient: Not Available, Refrigerated : Not Available, Frozen: Not Available |
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| GENERAL INFORMATION | |
|---|---|
| Expected TAT | 3 - 7 days |
| Clinical Use | HLA DQB1*06:02 and HLA DQA1*01:02 are associated statistically with narcolepsy and are sometimes used as tests in support of that diagnosis. |
| Performing Labcorp Test Code | 167139 |
| Notes | Labcorp Test Code: 167139 |
| CPT Code(s) | 81383x2 |
| Lab Section | Reference Lab |