Among 4766 mental health pts admited for Psychosis; 19% ANA tested and only 135 had a positive ANA >=1:160. (15% of those tested). Only 4 met 2019 ACR/EULAR criteria for SLE, and 2/4 met criteria for NPSLE. NPSLE prevalence was 1.5% in ANA+ psychosis Pts. https://t.co/c5C1VQaQAI