Over the past few years, controversy over the definition and classification of chronic kidney disease (CKD) has played out in the editorial pages of nephrology journals. Although the debate occurred primarily among nephrologists, the controversy has implications for the care of CKD across all disciplines of medicine.

Dan Weiner, MD, and Amy Williams, MD, were among the 12 ASN members who served on the ASN Accountable Care Organization (ACO) Task Force, which was chaired by Lee Hamm, MD. Here, the task force members discuss the ACO proposed rule and their perspectives on some of the complex issues the rule raised related to care of patients with kidney disease.