f:Appointment extension with URL = 'https://fhir.athena.io/StructureDefinition/ah-practice': minimum cardinality of 'extension' is 1 extension with URL = 'https://fhir.athena.io/StructureDefinition/ah-practice': maximum cardinality of 'extension' is 1 extension with URL = 'https://fhir.athena.io/StructureDefinition/ah-group-appointment': maximum cardinality of 'extension' is 1 serviceCategory: maximum cardinality of 'serviceCategory' is 0 specialty: maximum cardinality of 'specialty' is 0 appointmentType: maximum cardinality of 'appointmentType' is 0 reasonCode: maximum cardinality of 'reasonCode' is 0 reasonReference: maximum cardinality of 'reasonReference' is 0 priority: maximum cardinality of 'priority' is 0 description: maximum cardinality of 'description' is 0 supportingInformation: maximum cardinality of 'supportingInformation' is 0 slot: maximum cardinality of 'slot' is 0 comment: maximum cardinality of 'comment' is 0 patientInstruction: maximum cardinality of 'patientInstruction' is 0 basedOn: maximum cardinality of 'basedOn' is 0 requestedPeriod: maximum cardinality of 'requestedPeriod' is 0 f:Appointment/f:meta id: maximum cardinality of 'id' is 1 versionId: maximum cardinality of 'versionId' is 1 lastUpdated: maximum cardinality of 'lastUpdated' is 1 source: maximum cardinality of 'source' is 1 f:Appointment/f:participant type: maximum cardinality of 'type' is 0 required: maximum cardinality of 'required' is 0 period: maximum cardinality of 'period' is 0