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HLA-B27 DNA Typing
Test Code15584
Alias/See Also
LAB1274
CPT Codes
81374
Preferred Specimen
5 mL whole blood collected in an EDTA (lavender-top) tube
Minimum Volume
3 mL
Other Acceptable Specimens
Whole blood collected in: Sodium heparin (green-top) tube, EDTA (pink-top) tube, EDTA (royal blue-top) tube, or 3.2% sodium citrate (light blue-top) tube
Instructions
A separate EDTA (lavender-top) tube 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
Refrigerated: 7 days
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received frozen • Clotted
Methodology
Polymerase Chain Reaction (PCR) • Sequence Specific Oligonucleotide Probes
Setup Schedule
Daily
Report Available
6 days
Reference Range
Negative
Clinical Significance
This test is used in the evaluation of genetic risk for Ankylosing Spondylitis, uveitis, and several other autoimmune disorders.
Performing Laboratory
Quest Diagnostics Nichols Institute-Chantilly VA |
14225 Newbrook Drive |
Chantilly, VA 20151-2228 |