849: VALIDITY EVIDENCE FOR A CVC INSERTION COMPETENCY CHECKLIST FOR PEDIATRIC CRITICAL CARE FELLOWS. (15th December 2022) - Rosenblatt, Samuel; Zurca, Adrian; Mink, Richard; Albert, Ben; Coronado Munoz, Alvaro; Derespina, Kim; Good, Ryan; King, Jennifer; Levin, Amanda; Nielsen, Katie; Pareja, Jennifer Munoz; Petersen, Tara; et al.