Acknowledgements: Eric Browne and Montage Systems- for sponsorship, web site production, HL7 parser/validator development and LOINC/SNOMED integration; Russell McDonell - for bar2xml and other python utilities; Andrew McIntyre & Medical Objects - for sample messages and very useful HL7 and pathology messaging documentation; members of Standards Australia IT-014-06-05 subcommittee- for Standard AS4700.2 and Implementation Handbook HB262; The US Public Health Information Network (PHIN) & Vocabulary Access and Distribution Service (VADS) - for inspiration; The openEHR Foundation for leadership in separating clinical (signal) from technical(noise) in clinical communications; Grahame Grieve and Health Intersections for inspiration; Brendon Hogger for the pyth RTF to HTML parser; LabTestsOnline and The Royal College of Pathologists Australasia (RCPA) for online knowledgebase of pathology tests.