Dr Ferrada and colleagues assess relapsing polychondritis cohort for VEXAS. Prevalence of 8%. Male sex or age at onset >50 + MCV >100 + platelet count< 200 classified between VEXAS and RP with 100% sens and 96% spec @rheumnow @petercgrayson #ACR20 Abstr#509 #ACRbest https://t.co/5QMu4Y6xSH