Prevalence of HLH among pts w/SLE: lower than consults would suggest! Observational study using NIS: 139 cases out of >100k pts w/SLE (0.13%); 6 fold increase in mortality Fits my priors; HLH is overdiagnosed, but bad when it happens @RheumNow #ACR24 Abstr#0619 https://t.co/iz3BlUOJb9