Ab#0458 #ACR24 10 year outcomes of 176 patients with seroneg RA 32 pts (18%) had change in dx - SpA (11), seropos RA (6), OA (5), crystal (3), CTD (3), Ifn-related/paraneopl/RS3PE, sarcoid (1) 40 (23%) had drug-free remission 30 (17%) started b/tsDMARD @RheumNow