OM1 flags a cohort of nr-AxSpA patients within the OM1 AxSpA dataset via clinical abstraction and machine learning (ML).Patients can also be identified using ICD-10 diagnosis code M45.A, Non-radiographic axial spondyloarthritis, effective October 2020. 

The nr-AxSpA observation identifies patients who have been flagged with a non-radiographic status (True/False) and the qualifying date on which they were flagged.

Category: AxSpA