Specimen Requirements

Title

HLA-B27

Specimen Requirement

Collect lavender EDTA/4.0 mL whole blood and send room temp same day as drawn.

Draw Monday to Thursday only.

Methodology

Flow Cytometry

Stability

Room temp: 72 hours, Refrigerated: Unacceptable, Frozen: Unacceptable

Reference Range

By Report*

Turnaround

1-3 days

Clinical Use

Evaluate spondylarthritis and other disorders associated with this antigen. Over 90% of ankylosing spondylitis (AS) patients, 75% of Reiter syndrome patients and 80% of patients with reactive arthritis (ReA) are HLA B27-positive.

Test Code

B27