Test Directory

Test Code
FLB27
Test Name
HLA-B27
CPT Codes
86812
Included Tests
  • HLA-B27 Antigen (positive/negative)
  • Interpretation Comment
  • Specimen Source
Expected Turnaround Time
3 - 5 business days
Clinical Utility

Used to assess genetic risk of developing ankylosing spondylitis

Specimen and Container Info

Specimen Type: Whole Blood

Preferred Collection Container: Lavender Top (EDTA)

Alternate Collection Container:  Pale Yellow Top (ACD)

Desired Specimen Volume: Full Tube

Minimum Acceptable Volume: 1 mL

Collection Instructions
  • ROOM TEMPERATURE, mandatory.
  • Do not centrifuge, aliquot, refrigerate, or freeze.
Processing and Submission Instructions
  • ROOM TEMPERATURE ONLY. Sample is unacceptable if refrigerated or stored on ice.
  • Do not centrifuge, aliquot, or refrigerate.
Transport Instructions

MANDATORY: Transport to the laboratory at room temperature.  

Stability Requirements

Room Temperature

4 days

Refrigerated

Do not refrigerate.

Frozen

Do not freeze.

Causes for Rejection
  • Refrigeration
  • Clotted
  • Broken tube
Methodology
Flow Cytometry. Positive Samples Are Confirmed By Sso (Sequence Specific Oligonulceotide Probe Hybridization).
Performing Location
Cedar Crest Hospital
Alternate Names

B27 Disease Association: Ankylosing Spondylitis

Testing Schedule
Routine, Monday - Friday no holidays