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| 29850:HUMAN LEUKOCYTE ANTIGEN-B27 | |||||||||
| Alias Names: | HLA B27 | ||||||||
| Methodology: | Flow Cytometry | ||||||||
| Edit Date: | 2/8/2008 | ||||||||
| Performed: | Monday, Wednesday, Friday | ||||||||
| Released: | 48 hours | ||||||||
| CPT Code: | 86812 | ||||||||
| Specimen Collection Details | |||||||||
| Collection: | One 4 mL green top tube (sodium heparin). Also acceptable: One 6 mL yellow top tube (ACD) or one 4 mL lavender top tube (EDTA). | ||||||||
| Handling: | Refrigerate. Do not centrifuge. Must be received in laboratory within 48 hours of collection (must be tested within 72 hours). | ||||||||
| Stability: | 72 hours refrigerated. | ||||||||
| Standard Volume: | 5 mL whole blood.29850 | ||||||||
| Minimum Volume: | 0.5 mL whole blood. | ||||||||
| Transport: | Refrigerated. | ||||||||
| Rejection Criteria: | Specimen older than 72 hours; hemolysis; clotted blood.
This test may require insurance company prior authorization before ordering.
Please check the prior authorization list . Failure to gain preauthorization may result in denial of coverage. |
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| Reference Range: | |||||||||||||||||||
| Positive in 7-9% of healthy individuals and 90% of patients with ankylosing spondylitis. | |||||||||||||||||||