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.core 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-snapshot3 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-snapshot3 required: [valueCodeableReference, value]