description: 'The preferred location(s) where the device should actually be used. Location is captured via a coded (e.g., SNOMED-CT) or free text. Examples:\n- Code: SNOMED-CT 42665001 (Nursing Home) \n- Free text: “At the patient’s residence” ' package_name: hl7.fhir.us.pacio-pfe derivation: constraint name: PFEDeviceRequestLocation type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/pacio-pfe/StructureDefinition/pfe-device-request-location'} index: 1 value: choices: [valueCodeableConcept] index: 7 slicing: slices: valueCodeableConcept: match: {} schema: choices: [valueCodeableConcept] index: 7 min: 0 max: 1 valueString: {type: string, choiceOf: value, index: 4} valueCodeableConcept: type: CodeableConcept choiceOf: value index: 8 slicing: slices: valueCodeableConcept: match: {} schema: {type: CodeableConcept, choiceOf: value, index: 8} min: 0 max: 1 package_version: 3.0.0-ballot extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/pacio-pfe/StructureDefinition/pfe-device-request-location base: http://hl7.org/fhir/StructureDefinition/Extension version: 3.0.0-ballot