Implementation Guide
            
            25.0.0 - R4 APIs
  
            
          
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| Official URL: https://docs.mydata.athenahealth.com/fhir-r4/StructureDefinition-us-core-sex.html | Version: 25.0.0 | |||
| Active as of 2025-06-04 | Computable Name: USCoreSexExtension | |||
US Core Sex for Clinical Use (SFCU). This extension aligns with the US Core Profile for Sex for Clinical Use.
Context of Use
This extension may be used on the following element(s)
Patient    
  
Person    
  
RelatedPerson    
  Usage info
Usages:
You can also check for usages in the FHIR IG Statistics
Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | 
|---|---|---|---|---|
![]()  | 
0..1 | Extension | US Core Sex for Clinical Use | |
![]() ![]()  | 
0..0 | |||
![]() ![]()  | 
1..1 | uri | "http://hl7.org/fhir/us/core/StructureDefinition/us-core-sex" | |
![]() ![]()  | 
1..1 | code | Sex for Clinical Use Binding: US Core Sex (required): The codes for sex for clinical use.  | |
  Documentation for this format | ||||
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | 
|---|---|---|---|---|
![]()  | 
0..1 | Extension | US Core Sex for Clinical Use | |
![]() ![]()  | 
0..1 | string | Unique id for inter-element referencing | |
![]() ![]()  | 
0..0 | |||
![]() ![]()  | 
1..1 | uri | "http://hl7.org/fhir/us/core/StructureDefinition/us-core-sex" | |
![]() ![]()  | 
1..1 | code | Sex for Clinical Use Binding: US Core Sex (required): The codes for sex for clinical use.  | |
  Documentation for this format | ||||
This structure is derived from Extension
Differential View
This structure is derived from Extension
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | 
|---|---|---|---|---|
![]()  | 
0..1 | Extension | US Core Sex for Clinical Use | |
![]() ![]()  | 
0..0 | |||
![]() ![]()  | 
1..1 | uri | "http://hl7.org/fhir/us/core/StructureDefinition/us-core-sex" | |
![]() ![]()  | 
1..1 | code | Sex for Clinical Use Binding: US Core Sex (required): The codes for sex for clinical use.  | |
  Documentation for this format | ||||
Snapshot View
| Name | Flags | Card. | Type | Description & Constraints    Filter:  ![]() ![]()  | 
|---|---|---|---|---|
![]()  | 
0..1 | Extension | US Core Sex for Clinical Use | |
![]() ![]()  | 
0..1 | string | Unique id for inter-element referencing | |
![]() ![]()  | 
0..0 | |||
![]() ![]()  | 
1..1 | uri | "http://hl7.org/fhir/us/core/StructureDefinition/us-core-sex" | |
![]() ![]()  | 
1..1 | code | Sex for Clinical Use Binding: US Core Sex (required): The codes for sex for clinical use.  | |
  Documentation for this format | ||||
This structure is derived from Extension
Other representations of profile: CSV, Excel, Schematron
| Path | Conformance | ValueSet | URI | 
| Extension.value[x] | required | USCoreSexhttp://hl7.org/fhir/us/core/ValueSet/us-core-sexFrom this IG  | 
| Id | Grade | Path(s) | Details | Requirements | 
| ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children : hasValue() or (children().count() > id.count())  | |
| ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both : extension.exists() != value.exists()  |