description: An extension used to indicate the reporting period associated with the patients of interest List. package_name: gov.cdc.nhsn.dqm derivation: constraint name: PatientListApplicablePeriod type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://www.cdc.gov/nhsn/fhirportal/dqm/ig/StructureDefinition/link-patient-list-applicable-period-extension'} index: 1 value: choices: [] index: 3 slicing: rules: open ordered: false discriminator: - {path: $this, type: type} min: 1 slices: valuePeriod: match: {} schema: choices: [valuePeriod] _required: true index: 5 min: 1 max: 1 valuePeriod: type: Period choiceOf: value index: 6 slicing: slices: valuePeriod: match: {} schema: {type: Period, choiceOf: value, _required: true, index: 6} min: 1 max: 1 package_version: 1.0.0 extensions: {} class: extension kind: complex-type url: http://www.cdc.gov/nhsn/fhirportal/dqm/ig/StructureDefinition/link-patient-list-applicable-period-extension base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0 required: [valuePeriod, value]