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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.

Reference Range:
Positive in 7-9% of healthy individuals and 90% of patients with ankylosing spondylitis.

PeaceHealth Laboratories