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.uv.extensions.r4b derivation: constraint name: WorkflowBarrier 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: 5.3.0-ballot-tc1 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/workflow-barrier base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.3.0-ballot-tc1 required: [valueCodeableReference, value]