description: The order in which contacts for a patient should be used. For example, if a patient has multiple people listed as an emergency contact, which of those should be called first in an emergency. package_name: hl7.fhir.uv.extensions.r4 derivation: constraint name: PatContactPriority type: Extension elements: url: pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/patient-contactPriority'} type: uri index: 0 value: choices: [valuePositiveInt] index: 2 valuePositiveInt: {type: positiveInt, choiceOf: value, index: 3} package_version: 5.3.0-ballot-tc1 class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/patient-contactPriority base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.3.0-ballot-tc1 required: [value, valuePositiveInt]