description: Any obstacle that limits or prevents obtaining care. Barriers in health and social care include, but are not limited to, physical barriers, psychological barriers, physiological barriers, financial barriers, geographical barriers, cultural/language barriers and resource barriers. package_name: hl7.fhir.r5.examples derivation: constraint name: barrier type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/workflow-barrier'} index: 1 value: choices: [valueCodeableReference] index: 3 valueCodeableReference: {type: CodeableReference, choiceOf: value, index: 4} package_version: 5.0.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/workflow-barrier base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.0.0-ballot required: [valueCodeableReference, value]