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