Vesicoureteral Reflux Imaging: A National Analysis in Commercially Insured Children From 2012 to 2021.

In this national commercial claims database analysis, the number of outpatient pediatric VUR imaging examinations decreased from 48,843 in 2012­2016 to 31,423 in 2017­2021. Imaging modalities' distribution varied over time, with increased use of VCUG (> 90% of examinations in both periods), decreased use of nuclear cystography, and emergence of ceVUS.