description: 'Extension: Allergy Reaction Severity level Anaphylactic shock' package_name: laniado.test.fhir.r4 derivation: constraint name: AllergyReactionSeverityShock type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://fhir.laniado.org.il/StructureDefinition/ext-allergy-reaction-severity-shock'} index: 1 value: pattern: type: Coding value: {code: '735173007', system: 'http://snomed.info/sct', display: Anaphylactic shock} choices: [valueCoding] index: 3 valueCoding: type: Coding pattern: type: Coding value: {code: '735173007', system: 'http://snomed.info/sct', display: Anaphylactic shock} choiceOf: value index: 4 package_version: 0.1.62 extensions: {} class: extension kind: complex-type url: http://fhir.laniado.org.il/StructureDefinition/ext-allergy-reaction-severity-shock base: http://hl7.org/fhir/StructureDefinition/Extension version: null required: [valueCoding, value]