HL7 Version 3
HL7 نسخه 3
Unlike HL7 messages, CDA documents are persistent records of medical information (such as diagnostic reports, discharge summaries , or lab reports), also based on an XML encoding. CDA supports free text as well as fully 26 http://www.unece.org/trade/untdid/welcome.htm 6.5 Logical Tool Layer: Integration of Application Components 155 structured, machine-processable information. Document templates (so-called implementation guidelines) define CDA-based document structures for specific use cases such as a discharge summary or a radiology report