description: A profile on the DocumentReference resource for MHD with Comprehensive Metadata Option but without a requirement for contained author, authenticator, or sourcePatientInfo. \r\n- MHD is based on the [IHE Document Sharing](https://profiles.ihe.net/ITI/HIE-Whitepaper/index.html) model, \r\n- the [3:4.1 Abstract Metadata Model](https://profiles.ihe.net/ITI/TF/Volume3/ch-4.1.html#4.1), and \r\n- the use defined here is FHIR DocumentReference implementation of the \r\n- ebRIM implementation at [3:4.2.3.2 Document Entry](https://profiles.ihe.net/ITI/TF/Volume3/ch-4.2.html#4.2.3.2).\r\n- with use-cases and constraints found in [3:4.3 Additional Document Sharing Requirements](https://profiles.ihe.net/ITI/TF/Volume3/ch-4.3.html#4.3) package_name: ihe.iti.mhd derivation: constraint name: UnContainedComprehensiveDocumentReference type: DocumentReference elements: type: {index: 0} category: {index: 1} subject: {index: 2} securityLabel: {index: 3} content: elements: attachment: elements: language: {index: 4} creation: {index: 5} required: [language, creation] format: {index: 6} required: [format] context: index: 7 elements: facilityType: {index: 8} practiceSetting: {index: 9} sourcePatientInfo: {index: 10} required: [practiceSetting, sourcePatientInfo, facilityType] package_version: 4.1.0 class: profile kind: resource url: https://profiles.ihe.net/ITI/MHD/StructureDefinition/IHE.MHD.UnContained.Comprehensive.DocumentReference base: https://profiles.ihe.net/ITI/MHD/StructureDefinition/IHE.MHD.Minimal.DocumentReference version: 4.1.0 required: [securityLabel, context, subject, type, category]