In 2012, ASCO created the Top Five Choosing Wisely (CW) list of low-value tests and procedures for which there is little evidence of benefit. ASCO’s Quality Oncology Practice Initiative, an oncologist ...

CW test measures from spring and fall 2013, spring 2014, and spring 2015 were evaluated for concordance rates, change in the concordance over time, and variability by practice characteristics.