description: The subject participant represents the primary target of the entries recorded in the document. Most of the time the subject is the same as the [recordTarget](StructureDefinition-RecordTarget.html), but need not be, for instance when the subject is a fetus observed in an obstetrical ultrasound.\n\nThe subject participant can be ascribed to a CDA [section](StructureDefinition-Section.html) or a CDA [entry](StructureDefinition-Entry.html). It propagates to nested components, unless overridden. The subject of a document is presumed to be the patient. package_name: hl7.cda.uv.core derivation: specialization name: Subject type: http://hl7.org/cda/stds/core/StructureDefinition/Subject elements: typeCode: type: code binding: {strength: required, valueSet: 'http://terminology.hl7.org/ValueSet/v3-ParticipationTargetSubject'} pattern: {type: Code, value: SBJ} representation: [xmlAttr] index: 0 contextControlCode: type: code binding: {strength: required, valueSet: 'http://hl7.org/cda/stds/core/ValueSet/CDAContextControl'} pattern: {type: Code, value: OP} representation: [xmlAttr] index: 1 awarenessCode: type: http://hl7.org/cda/stds/core/StructureDefinition/CE binding: {strength: example, valueSet: 'http://terminology.hl7.org/ValueSet/v3-TargetAwareness'} index: 2 relatedSubject: {type: 'http://hl7.org/cda/stds/core/StructureDefinition/RelatedSubject', index: 3} package_version: 2.0.2-sd class: logical kind: logical url: http://hl7.org/cda/stds/core/StructureDefinition/Subject base: http://hl7.org/cda/stds/core/StructureDefinition/InfrastructureRoot version: 2.0.2-sd required: [relatedSubject]