| Name | Flags | Card. | Type | Description & Constraints![]() |
|---|---|---|---|---|
| I | DomainResource | A set of codes drawn from one or more code systems Within a code system definition, all the codes SHALL be unique | ||
| Σ | 0..1 | uri | Logical uri to reference this code system (globally unique) (Coding.system) | |
| Σ | 0..1 | Identifier | Additional identifier for the code system | |
| Σ | 0..1 | string | Business version of the code system (Coding.version) | |
| Σ | 0..1 | string | Name for this code system (Computer friendly) | |
| Σ | 0..1 | string | Name for this code system (Human friendly) | |
| ?!Σ | 1..1 | code | draft | active | retired PublicationStatus (Required) | |
| ?!Σ | 0..1 | boolean | If for testing purposes, not real usage | |
| Σ | 0..1 | string | Name of the publisher (Organization or individual) | |
| Σ | 0..* | ContactDetail | Contact details for the publisher | |
| Σ | 0..1 | dateTime | Date this was last changed | |
| 0..1 | markdown | Natural language description of the code system | ||
| Σ | 0..* | UsageContext | Content intends to support these contexts | |
| Σ | 0..* | CodeableConcept | Intended jurisdiction for code system (if applicable) Jurisdiction ValueSet (Extensible) | |
| 0..1 | markdown | Why this code system is defined | ||
| 0..1 | markdown | Use and/or publishing restrictions | ||
| Σ | 0..1 | boolean | If code comparison is case sensitive | |
| Σ | 0..1 | uri | Canonical URL for value set with entire code system | |
| Σ | 0..1 | code | grouped-by | is-a | part-of | classified-with CodeSystemHierarchyMeaning (Required) | |
| Σ | 0..1 | boolean | If code system defines a post-composition grammar | |
| Σ | 0..1 | boolean | If definitions are not stable | |
| Σ | 1..1 | code | not-present | examplar | fragment | complete CodeSystemContentMode (Required) | |
| Σ | 0..1 | unsignedInt | Total concepts in the code system | |
| Σ | 0..* | BackboneElement | Filter that can be used in a value set | |
| Σ | 1..1 | code | Code that identifies the filter | |
| Σ | 0..1 | string | How or why the filter is used | |
| Σ | 1..* | code | Operators that can be used with filter FilterOperator (Required) | |
| Σ | 1..1 | string | What to use for the value | |
| Σ | 0..* | BackboneElement | Additional information supplied about each concept | |
| Σ | 1..1 | code | Identifies the property on the concepts, and when referred to in operations | |
| Σ | 0..1 | uri | Formal identifier for the property | |
| Σ | 0..1 | string | Why the property is defined, and/or what it conveys | |
| Σ | 1..1 | code | code | Coding | string | integer | boolean | dateTime PropertyType (Required) | |
| 0..* | BackboneElement | Concepts in the code system | ||
| 1..1 | code | Code that identifies concept | ||
| 0..1 | string | Text to display to the user | ||
| 0..1 | string | Formal definition | ||
| 0..* | BackboneElement | Additional representations for the concept | ||
| 0..1 | code | Human language of the designation Common Languages (Extensible but limited to All Languages) | ||
| 0..1 | Coding | Details how this designation would be used Designation Use (Extensible) | ||
| 1..1 | string | The text value for this designation | ||
| 0..* | BackboneElement | Property value for the concept | ||
| 1..1 | code | Reference to CodeSystem.property.code | ||
| 1..1 | Value of the property for this concept | |||
| code | ||||
| Coding | ||||
| string | ||||
| integer | ||||
| boolean | ||||
| dateTime | ||||
| 0..* | see concept | Child Concepts (is-a/contains/categorizes) | ||
Documentation for this format | ||||