description: This extension is a copy of the not-yet-published 6.0.0-ballot version US Core Sex for Clinical Use, which aligns with FHIR R5 [sexForClinicalUse extension](http://hl7.org/fhir/2022Sep/extension-patient-sexforclinicaluse.html) from which the following description is excerpted, \"Sex for Clinical Use is a categorization of sex derived from observable information such as an organ inventory, recent hormone lab tests, genetic testing, menstrual status, obstetric history, etc. This property is intended for use in clinical decision making and indicates that treatment or diagnostic tests should consider best practices associated with the relevant reference population It describes the biological sex of an organism, which is most commonly determined based on anatomy and physiology or genetic (chromosome) analysis. It also optionally communicates the date when the sex was determined.\" See the referenced extension for more information. package_name: hl7.fhir.us.home derivation: constraint name: ExtensionSexForClinicalUse type: Extension elements: extension: short: A context-specific sex for clinical use type: Extension index: 0 slicing: slices: value: match: {} schema: short: A context-specific sex for clinical use type: Extension _required: true index: 0 extensions: {} elements: extension: {index: 1} url: type: uri pattern: {type: Uri, value: value} index: 2 value: choices: [valueCodeableConcept] index: 4 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 5} required: [value, valueCodeableConcept] period: match: {} schema: type: Extension short: When the sex for clinical use applies index: 6 extensions: {} elements: extension: {index: 7} url: type: uri pattern: {type: Uri, value: period} index: 8 value: choices: [valuePeriod] index: 10 valuePeriod: {type: Period, choiceOf: value, index: 11} required: [valuePeriod, value] url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/home-lab-report/StructureDefinition/Extension-sex-for-clinical-use'} index: 12 value: choices: [] index: 14 package_version: lab-report-1.0.0 extensions: value: url: null short: A context-specific sex for clinical use type: Extension _required: true index: 0 extensions: {} elements: extension: {index: 1} url: type: uri pattern: {type: Uri, value: value} index: 2 value: choices: [valueCodeableConcept] index: 4 valueCodeableConcept: {type: CodeableConcept, choiceOf: value, index: 5} required: [value, valueCodeableConcept] period: url: null type: Extension short: When the sex for clinical use applies index: 6 extensions: {} elements: extension: {index: 7} url: type: uri pattern: {type: Uri, value: period} index: 8 value: choices: [valuePeriod] index: 10 valuePeriod: {type: Period, choiceOf: value, index: 11} required: [valuePeriod, value] class: extension kind: complex-type url: http://hl7.org/fhir/us/home-lab-report/StructureDefinition/Extension-sex-for-clinical-use base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0 required: [extension]