<status value="draft" /> <description value="This profile describes the DocumentReference constraints for MERT." /> <fhirVersion value="4.0.1" /> <kind value="resource" /> <abstract value="false" /> <type value="DocumentReference" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/DocumentReference" /> <derivation value="constraint" /> <differential> <element id="DocumentReference"> <path value="DocumentReference" /> <constraint> <key value="DocumentReferenceAttachmentHasUrlOrData" /> <severity value="error" /> <human value="Attachment SHALL have at least one of url or data." /> <expression value="content.attachment.url.exists() or content.attachment.data.exists()" /> <source value="https://intrahealth.com/fhir/mert/StructureDefinition/DocumentReferenceMERT" /> </constraint> </element> <element id="DocumentReference.status"> <path value="DocumentReference.status" /> <short value="current" /> <comment value="MERT only supports 'current' DocumentReference instances; superseded/previous versions are not supported." /> <patternCode value="current" /> <mustSupport value="true" /> </element> <element id="DocumentReference.category"> <path value="DocumentReference.category" /> <comment value="Senders SHALL populate category.text with a human-readable document category label. Senders MAY populate category.coding using local code systems. Receivers MUST accept and persist category.text and any provided codings. Cross-system interpretation of coded categories is not guaranteed." /> <constraint> <key value="DocumentReferenceCategoryHasText" /> <severity value="error" /> <human value="DocumentReference.category SHALL have a text value." /> <expression value="text.exists()" /> <source value="https://intrahealth.com/fhir/mert/StructureDefinition/DocumentReferenceMERT" /> </constraint> <mustSupport value="true" /> </element> <element id="DocumentReference.subject"> <path value="DocumentReference.subject" /> <min value="1" /> <type> <code value="Reference" /> <targetProfile value="https://intrahealth.com/fhir/mert/StructureDefinition/PatientMERT" /> </type> <mustSupport value="true" /> </element> <element id="DocumentReference.author"> <path value="DocumentReference.author" /> <comment value="Who and/or what authored the document. For MERT, this is who it is assigned to." /> <type> <code value="Reference" /> <targetProfile value="https://intrahealth.com/fhir/mert/StructureDefinition/PractitionerMERT" /> </type> <mustSupport value="true" /> </element> <element id="DocumentReference.authenticator"> <path value="DocumentReference.authenticator" /> <comment value="Who/what authenticated the document. For MERT, this is who signed this document." /> <type> <code value="Reference" /> <targetProfile value="https://intrahealth.com/fhir/mert/StructureDefinition/PractitionerMERT" /> </type> <mustSupport value="true" /> </element> <element id="DocumentReference.description"> <path value="DocumentReference.description" /> <min value="1" /> <mustSupport value="true" /> </element> <element id="DocumentReference.content"> <path value="DocumentReference.content" /> <max value="1" /> <mustSupport value="true" /> </element> <element id="DocumentReference.content.attachment"> <path value="DocumentReference.content.attachment" /> <mustSupport value="true" /> </element> <element id="DocumentReference.content.attachment.contentType"> <path value="DocumentReference.content.attachment.contentType" /> <min value="1" /> <mustSupport value="true" /> </element> <element id="DocumentReference.content.attachment.data"> <path value="DocumentReference.content.attachment.data" /> <mustSupport value="true" /> </element> <element id="DocumentReference.content.attachment.url"> <path value="DocumentReference.content.attachment.url" /> <mustSupport value="true" /> </element> <element id="DocumentReference.context"> <path value="DocumentReference.context" /> <min value="1" /> <mustSupport value="true" /> </element> <element id="DocumentReference.context.period"> <path value="DocumentReference.context.period" /> <min value="1" /> <mustSupport value="true" /> </element> <element id="DocumentReference.context.period.start"> <path value="DocumentReference.context.period.start" /> <min value="1" /> <mustSupport value="true" /> </element> </differential> </StructureDefinition>