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HLA-B27 in blood

Indications: - useful for patients with inflammatory back pain but no radiologic evidence of sacroiliitis or spondylitis * obtain prior to MRI of sacroiliac joint Clinical significance: - strongest genetic risk factor for spondyloarthropathy

Related

HLA B27

Specific

HLA-B27 in blood (qualitative) HLA-B27 in blood (quantitative)

General

HLA-B phenotyping

References

  1. HLA-B27 Laboratory Test Directory ARUP: 95840
  2. Medical Knowledge Self Assessment Program (MKSAP) 16, 19 American College of Physicians, Philadelphia 2012, 2022