The Transformational Data Collaboration is an initiative of the Australian Health Research Alliance. Under the ‘Data Integration’ priority area of the ‘AHRA Data Driven Healthcare’ activity stream. The collaboration has a singular goal: To utilise the unique open and collaborative nature of AHRA to help develop and support national data initiatives where an open, inclusive and non-competitive environment is required. How will this be achieved? Provide open availability of common medical terminologies and data mappings for the research community (Australia and Internationally) Leverage such mappings as a part of providing resources to researchers to support the uplift of their data to a common data model - the OHDSI OMOP Common Data Model. Establish a community of practice and training for the use of common data models. Scope Primary care data. Hospital Electronic Medical Records. Administrative data health data. Underpin common data models with mechanis...