description: An extension to describe accessibility options offered by a practitioner or at a location. package_name: hl7.fhir.us.davinci-pdex-plan-net derivation: constraint name: Accessibility type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/davinci-pdex-plan-net/StructureDefinition/accessibility'} index: 1 value: choices: [valueCodeableConcept] index: 3 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 4} package_version: 1.0.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/davinci-pdex-plan-net/StructureDefinition/accessibility base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0 required: [value, valueCodeableConcept]