What if some patients who never quite fit their diagnosis actually have an underlying genetic disorder? In this episode, we explore Haploinsufficiency of A20 (HA20), a condition first described less than a decade ago that is already reshaping our understanding of autoinflammation, autoimmunity, and immune dysregulation. How many patients in our clinics have a genetic diagnosis we've never thought to consider? Join us as we discuss this emerging disease and its clinical implications with Dr. Daniella M. Schwartz.