| Name | Value | Comments | 
|---|
|  abstract | false |  | 
|  baseDefinition | http://hl7.org/fhir/StructureDefinition/Extension |  | 
|  copyright | Used by permission of HL7 International, all rights reserved Creative Commons License |  | 
|  date | 2023-04-03 |  | 
|  description | **This extension is only used in the US Core Implementation Guide's Profile StructureDefinition elements.** It flags elements that are ONC USCDI Requirements for certified systems. See the [Conformance page](http://hl7.org/fhir/us/core/general-requirements.html) for more information. | **This extension is only used in the US Core Implementation Guide''s Profile StructureDefinition elements.**  It flags elements that are *Additional* USCDI Requirements for certified systems. In other words, elements that are not marked as Must Support but are required for ONC Health IT certification testing. See the [Conformance page](general-requirements.html) for more information. |  | 
|  experimental |  |  | 
|  fhirVersion | 4.0.1 |  | 
|  jurisdiction |  |  | 
|   jurisdiction[0] | urn:iso:std:iso:3166#US |  | 
|  kind | complex-type |  | 
|  name | USCDIRequirement |  | 
|  publisher | HL7 International - Cross-Group Projects | HL7 International / Cross-Group Projects |  | 
|  purpose |  |  | 
|  status | active |  | 
|  title | US Core USCDI Requirement Extension |  | 
|  type | Extension |  | 
|  url | http://hl7.org/fhir/us/core/StructureDefinition/uscdi-requirement |  | 
|  version | 6.1.0 | 8.0.0-ballot |  | 
| Name | L Flags | L Card. | L Type | L Description & Constraints | R Flags | R Card. | R Type | R Description & Constraints | Comments  | 
|---|
|   Extension |  | 0..1 | Extension | USCDI Requirement Flag: ONLY USED FOR US Core Profile StructureDefinitions 
 |  | 0..1 | Extension | USCDI Requirement Flag: ONLY USED FOR US Core Profile StructureDefinitions 
 |  | 
|    id |  | 0..1 | string | Unique id for inter-element referencing |  | 0..1 | string | Unique id for inter-element referencing |  | 
|    Slices for extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
 
 |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url
 
 |  | 
|    url |  | 1..1 | uri | "http://hl7.org/fhir/us/core/StructureDefinition/uscdi-requirement" |  | 1..1 | uri | "http://hl7.org/fhir/us/core/StructureDefinition/uscdi-requirement" |  | 
|    value[x] |  | 1..1 | boolean | Value of extension |  | 1..1 | boolean | Value of extension |  | 
| 
  Documentation for this format |