HLA-B*5701 Typing
Test code
CPT code(s)*
Test resources
Details
Includes
Additional testing by Sequence Based Typing (SBT) may be performed when necessary.
Methodology
Polymerase Chain Reaction (PCR) • Sequence Specific Oligonucleotide Probes (SSO)
Assay category
Typing performed by using AS-PCR with reflex to the FDA-cleared LABType® SSO Kit. The AS-PCR portion of the test was developed and its performance characteristics have been determined by Quest Diagnostics.
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 5 mL whole blood collected in an EDTA (lavender-top) tube |
| Alternative specimen(s) | Whole blood collected in: Sodium heparin (green-top) tube, EDTA (pink-top) tube, EDTA (royal blue-top) tube, or 3.2% sodium citrate (light bluetop) tube |
| Minimum volume | 3 mL |
| Collection instructions | A separate EDTA (lavender-toptube must be submitted for all HLA testing. If submitted with any other test requiring an EDTA tube, please submit a separate tube for this test. Do not open tube. |
| Transport container | EDTA (lavender-top) tube |
| Transport temperature | Room temperature |
| Specimen stability | Room temperature: 7 days Refrigerated: 7 days Frozen: Unacceptable |
| Reject criteria | Received frozen • Clotted |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
This material contains content from LOINC® (http://loinc.org). The LOINC Table, LOINC Table Core are copyright © 1995-2019, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license.
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