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- Addition of Patient referral chapter and associated appendixes, HL7v2 VMR.
2017 release 2
- Removal of first ORC segment (prior to the OBR and OBX before PV1) from REF_I12 message structure. The reason, is alignment with the international standard message structure. Note this may break previous messages which were conformant with AS4700.6 because that segment was mandatory in that standard and we were advised that this it broke the HL7 rules for local extensions. Whether or not it would break parsing of previous messages would depend upon parser behaviour.
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