Robert Dolin, M.D., Kaiser Permanente, HL7 Board Member and Co-chair of the HL7 Structured Documents Technical Committee, and Liora Alschuler, HL7 Board Member; Co-chair, HL7 Structured Documents TC; Co-Editor, CDA; and Principal, Alschuler Associates, LLC. The presentation will provide an overview of CDA, which standardizes the representation of clinical documents. Included will be a discussion of the CCR/CDA Implementation Guide (to be called a Continuity of Care Document or CCD), which expresses the ASTM CCR data set as a CDA document.