description: null package_name: sappatientmanagement.sap_ish_r4_gen derivation: constraint name: Institution type: Extension elements: url: pattern: {type: Uri, value: 'http://sap.com/healthcare/fhir/StructureDefinition/institution'} index: 0 value: choices: [valueReference] index: 2 valueReference: type: Reference choiceOf: value refers: [Organization] index: 3 value[x]: elements: reference: {index: 4} type: {short: Type the reference refers to (e.g. ‘Patient’), index: 5} required: [reference] package_version: 2.0.3 class: extension kind: complex-type url: http://sap.com/healthcare/fhir/StructureDefinition/institution base: http://hl7.org/fhir/StructureDefinition/Extension version: SAP_ISH_R4_G2