# Codesystem versionHistory - HL7 v2.3.1 Vocabulary v0.1.0

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **Codesystem versionHistory**

## Extension: Codesystem versionHistory (Experimental) 

| | |
| :--- | :--- |
| *Official URL*:http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory | *Version*:1.0.0 |
| Draft as of 2026-01-27 | *Computable Name*:versionHistory |

extension for versionHistory

**Context of Use**

**Usage info**

**Usages:**

* Examples for this Extension: [Accept-applicationAcknowledgmentConditions](CodeSystem-accept-applicationAcknowledgmentConditions.md), [AcknowledgmentCodes](CodeSystem-acknowledgmentCodes.md), [ActionCodes](CodeSystem-actionCodes.md), [ActionTakenInResponseToTheEvent](CodeSystem-actionTakenInResponseToTheEvent.md)... Show 46 more, [Active-inactive](CodeSystem-active-inactive.md), [AddressType](CodeSystem-addressType.md), [AdministrationDevice](CodeSystem-administrationDevice.md), [AdministrationMethod](CodeSystem-administrationMethod.md), [AdmissionType](CodeSystem-admissionType.md), [AdmitSource](CodeSystem-admitSource.md), [AdvancedBeneficiaryNotice](CodeSystem-advancedBeneficiaryNotice.md), [AllergenType](CodeSystem-allergenType.md), [AllergySeverity](CodeSystem-allergySeverity.md), [AllowSubstitution](CodeSystem-allowSubstitution.md), [AlternateCharacterSetHandlingScheme](CodeSystem-alternateCharacterSetHandlingScheme.md), [AlternateCharacterSets](CodeSystem-alternateCharacterSets.md), [AmbulatoryStatus](CodeSystem-ambulatoryStatus.md), [AmountClass](CodeSystem-amountClass.md), [AmountType](CodeSystem-amountType.md), [Annotations](CodeSystem-annotations.md), [AppointmentReason](CodeSystem-appointmentReason.md), [AppointmentType](CodeSystem-appointmentType.md), [ApprovalIndicator](CodeSystem-approvalIndicator.md), [AssignmentOfBenefits](CodeSystem-assignmentOfBenefits.md), [BedStatus](CodeSystem-bedStatus.md), [BodySite](CodeSystem-bodySite.md), [CausalityObservations](CodeSystem-causalityObservations.md), [CertificationPatientType](CodeSystem-certificationPatientType.md), [CertificationStatus](CodeSystem-certificationStatus.md), [ChargeOnIndicator](CodeSystem-chargeOnIndicator.md), [ChargeType](CodeSystem-chargeType.md), [CheckDigitScheme](CodeSystem-checkDigitScheme.md), [CommentType](CodeSystem-commentType.md), [CompletionStatus](CodeSystem-completionStatus.md), [ConditionCodes](CodeSystem-conditionCodes.md), [ConfidentialityCodes](CodeSystem-confidentialityCodes.md), [CoordinationOfBenefits](CodeSystem-coordinationOfBenefits.md), [CoverageType](CodeSystem-coverageType.md), [CpRangeType](CodeSystem-cpRangeType.md), [CweStatuses](CodeSystem-cweStatuses.md), [Date-timeSelectionQualifier](CodeSystem-date-timeSelectionQualifier.md), [DayType](CodeSystem-dayType.md), [DaysOfTheWeek](CodeSystem-daysOfTheWeek.md), [DeferredResponseType](CodeSystem-deferredResponseType.md), [DegreeLicenseCertificate](CodeSystem-degreeLicenseCertificate.md), [DelayedAcknowledgmentType](CodeSystem-delayedAcknowledgmentType.md), [DerivedSpecimen](CodeSystem-derivedSpecimen.md), [DiagnosisClassification](CodeSystem-diagnosisClassification.md), [DiagnosisPriority](CodeSystem-diagnosisPriority.md) and [DiagnosisType](CodeSystem-diagnosisType.md)

You can also check for [usages in the FHIR IG Statistics](https://packages2.fhir.org/xig/hl7.v2.uv.terminology.v231|current/StructureDefinition/codesystem-versionHistory)

### Formal Views of Extension Content

 [Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work](http://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#structure-definitions). 

 

Other representations of profile: [CSV](StructureDefinition-codesystem-versionHistory.csv), [Excel](StructureDefinition-codesystem-versionHistory.xlsx), [Schematron](StructureDefinition-codesystem-versionHistory.sch) 

#### Constraints



## Resource Content

```json
{
  "resourceType" : "StructureDefinition",
  "id" : "codesystem-versionHistory",
  "url" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory",
  "version" : "1.0.0",
  "name" : "versionHistory",
  "title" : "Codesystem versionHistory",
  "status" : "draft",
  "experimental" : true,
  "date" : "2026-01-27T19:22:40+00:00",
  "publisher" : "HL7/FO",
  "contact" : [
    {
      "name" : "HL7/FO",
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org"
        }
      ]
    }
  ],
  "description" : "extension for versionHistory",
  "fhirVersion" : "4.0.1",
  "mapping" : [
    {
      "identity" : "rim",
      "uri" : "http://hl7.org/v3",
      "name" : "RIM Mapping"
    }
  ],
  "kind" : "complex-type",
  "abstract" : false,
  "context" : [
    {
      "type" : "element",
      "expression" : "CodeSystem"
    }
  ],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [
      {
        "id" : "Extension",
        "path" : "Extension",
        "min" : 0,
        "max" : "1"
      },
      {
        "id" : "Extension.extension",
        "path" : "Extension.extension",
        "max" : "0"
      },
      {
        "id" : "Extension.url",
        "path" : "Extension.url",
        "fixedUri" : "http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory",
        "isModifier" : false,
        "isSummary" : false
      },
      {
        "id" : "Extension.value[x]",
        "path" : "Extension.value[x]",
        "min" : 1,
        "type" : [
          {
            "code" : "string"
          }
        ]
      }
    ]
  }
}

```
