What does ACG stand for?

Three risk-adjustment models currently are in the forefront, MedPAC officials say: * diagnostic cost groups (DCGs), which rely on inpatient diagnosis information and place a beneficiary in one diagnosis category; * hierarchical coexisting conditions (HCCs), which use inpatient and ambulatory care records and allow for several diagnosis categories simultaneously; * ambulatory care groups (ACGs), which take information from all sites of care but only place beneficiaries in one diagnostic category.