Dr Kola Tytler MBBS CertHE MBA MRCGPClinical Lead • iatroX
In primary care, the recommended laboratory test for suspected spondyloarthritis is an HLA‑B27 test, which should be performed if the clinical suspicion remains after initial assessment or if the MRI does not meet the ASAS/OMERACT MRI criteria for non-radiographic axial spondyloarthritis NICE NG65.