description: A reference to a death investigation document, such as an Autopsy Report or Investigator’s Narrative. The content may be included as inline base64 encoded data or be provided by direct reference (e.g., URL). The document type is required and is constrained by US Core to a LOINC value whose SCALE is DOC in the LOINC database or is the HL7 v3 Code System NullFlavor concept ‘unknown’. package_name: hl7.fhir.us.mdi derivation: constraint name: DocumentReferenceMDIReport type: DocumentReference elements: type: {short: 'If LOINC code for type is not available, use HL7 v3 Code System NullFlavor (http://terminology.hl7.org/CodeSystem/v3-NullFlavor) code=UNK, display=unknown ''unknown''.', index: 0} category: short: Reference a terminology (code system & code) or use text to describe the document category. A category is required, so if none is available use NullFlavor Other code and describe category in text index: 1 elements: text: {short: 'If no system/code is available, use NullFLavor Other code, and describe the document category in text', index: 2} package_version: 2.0.0-ballot2 class: profile kind: resource url: http://hl7.org/fhir/us/mdi/StructureDefinition/DocumentReference-mdi-report base: http://hl7.org/fhir/us/core/StructureDefinition/us-core-documentreference version: 2.0.0-ballot2