This is an abridged version of the 2019 Standards containing the evidence-based recommendations most pertinent to primary care. The tables and figures have been renum-bered from the original document to match this version. The complete 2019 Standards of Care document, including all supporting references, is available at professional.diabetes.org/standards. This is an abridged version of the American Diabetes Association’s Standards of Medical Care in Diabetes—2019. Diabetes Care2018;42(Suppl. 1):S1–S194. The complete 2019 Standards supplement, including all supporting references, is available at professional.diabetes.org/standards.