1. The ABCs of APCDs: how states are using claims data to understand and improve care Author(s): Porter, Josephine, authorLove, Denise, author Publication: [Oakland, Calif.] : California Health Care Foundation, November 2018 Subject(s): Databases as TopicHealth Expenditures -- statistics & numerical dataInsurance Claim ReviewChronic Disease -- economicsCost of IllnessDrug CostsHealth Care CostsInappropriate Prescribing -- prevention & controlOpioid-Related Disorders -- economicsOpioid-Related Disorders -- epidemiologyState GovernmentHumansCaliforniaUnited States