This is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times). 
See the Directory of published versions
| Responsible Owner: Clinical Decision Support Work Group | Standards Status: Informative | Compartments: Device, Group, Patient, Practitioner | 
Raw XML (canonical form + also see XML Format Specification)
Diagnostic order is placed when a recent image of the same body site already exists (id = "duplicate")
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.