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Tim Benson a , Ayşegül Avcı b , Fatih Boy c , Şeref Arıkan d , Alp Timurhan Çevik b

Building a HL7 CDA R2 Level 3 message-based system using conceptual design specifications and XML/XSLT for code generation. Tim Benson a , Ayşegül Avcı b , Fatih Boy c , Şeref Arıkan d , Alp Timurhan Çevik b

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Tim Benson a , Ayşegül Avcı b , Fatih Boy c , Şeref Arıkan d , Alp Timurhan Çevik b

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  1. Building a HL7 CDA R2 Level 3 message-based system using conceptual design specifications and XML/XSLT for code generation Tim Bensona, Ayşegül Avcıb, Fatih Boyc, Şeref Arıkand, Alp Timurhan Çevikb aAbies Ltd and UCL CHIME, London, England, bDataSel, Ankara, Turkey, cBirim Bilgi Tek. Tic. A.S., Izmir, Turkey, dMiddle East Technical University, Ankara, Turkey

  2. Turkish National Health Information System • 80 million patients • National data warehouse • EHR for all citizens • 80 data sets • National coding schemes • Specification using UML and XML • Use of XML for code generation • Mapping to HL7 CDA Release 2 Level 3

  3. Method • Common structure for all messages • Logical design using UML • Detailed XML specification • Map to HL7 CDA R2 Level 3

  4. Common Metadata • Patient (who) • Author (from) • Origin (where) • DateTime (when) • Type (what)

  5. Data Flow Data Warehouse Sources Pre- Process CDA R2 L3 EHR

  6. Structure Message Dataset Section (text) Datum (code)

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