#BestACR20Tweets RT @uptoTate : Claims-based "big data" reveals PsA pts had "arthritis" coding prior to formal dx and coding for enthesitis, axial dz, and arthritis increased prior to PsA dx. Coding diff between treating specialties also noted. #ACR20 https://t.co/naeRPFZdap https://t.co/E4XvlZSsX6