description: The base Composition is a general resource for compositions or documents about any kind of subject that might be encountered in healthcare including such things as guidelines, medicines, etc. A clinical document is focused on documents related to the provision of care process, where the subject is a patient, a group of patients, or a closely related concept. A clinical document has additional reqiurements around confidentiality that do not apply in the same way to other kinds of documents package_name: hl7.fhir.r2.core name: Clinical Document Profile for Composition type: null elements: subject: {type: Reference, index: 0} package_version: 1.0.2 class: resource kind: resource url: http://hl7.org/fhir/StructureDefinition/clinicaldocument version: null