# EPath PlanDefinition EventActionExtensions - ePath R4 Implementation Guide v1.0.1

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **EPath PlanDefinition EventActionExtensions**

## Extension: EPath PlanDefinition EventActionExtensions 

| | |
| :--- | :--- |
| *Official URL*:http://e-path.jp/fhir/ePath/StructureDefinition/EPathPlanDefinitionEventActionExtensions | *Version*:1.0.1 |
| Active as of 2026-02-19 | *Computable Name*:EPathPlanDefinitionEventActionExtensions |
| **Copyright/Legal**: Joint Committee of JAMI and JSCP（日本医療情報学会と日本クリニカルパス学会との合同委員会）. CC(Creative Commons) BY-ND 4.0 | |

治療計画定義 病日・イベント項目拡張

**Context of Use**

**Usage info**

**Usages:**

* Use this Extension: [EPath PlanDefinition Event](StructureDefinition-EPathPlanDefinitionEvent.md)
* Examples for this Extension: [Bundle/Bundle.EP01.CN05I00511-0](Bundle-Bundle.EP01.CN05I00511-0.md) and [Bundle/Bundle.EP02.4311234567.CN05I00511-0L](Bundle-Bundle.EP02.4311234567.CN05I00511-0L.md)

You can also check for [usages in the FHIR IG Statistics](https://packages2.fhir.org/xig/r4ig|current/StructureDefinition/EPathPlanDefinitionEventActionExtensions)

### 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-EPathPlanDefinitionEventActionExtensions.csv), [Excel](StructureDefinition-EPathPlanDefinitionEventActionExtensions.xlsx), [Schematron](StructureDefinition-EPathPlanDefinitionEventActionExtensions.sch) 

#### Terminology Bindings

#### Constraints



## Resource Content

```json
{
  "resourceType" : "StructureDefinition",
  "id" : "EPathPlanDefinitionEventActionExtensions",
  "url" : "http://e-path.jp/fhir/ePath/StructureDefinition/EPathPlanDefinitionEventActionExtensions",
  "version" : "1.0.1",
  "name" : "EPathPlanDefinitionEventActionExtensions",
  "title" : "EPath PlanDefinition EventActionExtensions",
  "status" : "active",
  "date" : "2026-02-19T12:27:55+09:00",
  "contact" : [
    {
      "name" : "ePath Project",
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://e-path.jp"
        }
      ]
    }
  ],
  "description" : "治療計画定義 病日・イベント項目拡張",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "urn:iso:std:iso:3166-2",
          "code" : "JP"
        }
      ]
    }
  ],
  "copyright" : "Joint Committee of JAMI and JSCP（日本医療情報学会と日本クリニカルパス学会との合同委員会）. CC(Creative Commons) BY-ND 4.0",
  "fhirVersion" : "4.0.1",
  "mapping" : [
    {
      "identity" : "rim",
      "uri" : "http://hl7.org/v3",
      "name" : "RIM Mapping"
    }
  ],
  "kind" : "complex-type",
  "abstract" : false,
  "context" : [
    {
      "type" : "element",
      "expression" : "PlanDefinition"
    }
  ],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [
      {
        "id" : "Extension",
        "path" : "Extension",
        "short" : "治療計画定義 病日・イベント項目拡張",
        "definition" : "PlanDefinition.actionの1階層目を拡張し、病日・イベントの項目を定義します。"
      },
      {
        "id" : "Extension.extension",
        "path" : "Extension.extension",
        "min" : 1
      },
      {
        "id" : "Extension.extension:UnitCategory",
        "path" : "Extension.extension",
        "sliceName" : "UnitCategory",
        "min" : 1,
        "max" : "1"
      },
      {
        "id" : "Extension.extension:UnitCategory.extension",
        "path" : "Extension.extension.extension",
        "max" : "0"
      },
      {
        "id" : "Extension.extension:UnitCategory.url",
        "path" : "Extension.extension.url",
        "fixedUri" : "UnitCategory"
      },
      {
        "id" : "Extension.extension:UnitCategory.value[x]",
        "path" : "Extension.extension.value[x]",
        "min" : 1,
        "type" : [
          {
            "code" : "code"
          }
        ],
        "fixedCode" : "event",
        "binding" : {
          "strength" : "required",
          "description" : "ePathデータ構造単位分",
          "valueSet" : "http://e-path.jp/fhir/ePath/ValueSet/EPathUnitCategoryVS"
        }
      },
      {
        "id" : "Extension.extension:EventElapsedDays",
        "path" : "Extension.extension",
        "sliceName" : "EventElapsedDays",
        "short" : "病日",
        "definition" : "入院日から起算した当イベントの日数。当日が1から始まる日数。入院日より過去を示す場合は-1(入院日前日)からの負数で表す。（値0は存在しない）施設パスおよび適用後パス、適用後パスデータについては上記の通りであるが、ひな型パスについてはOATユニットが設定された最初の日を1とし、その日から始まる日数となる。\r\n外来のケースにおいては、パス実施期間．開始日時の日を起算日とした当日が１から始まる日数を設定する。過去を示す場合は-1(開始日時の前日)からの負数で表す。また、4週後など日数が明確でない場合においても日数に換算して設定する。（値0は存在しない）",
        "min" : 0,
        "max" : "1"
      },
      {
        "id" : "Extension.extension:EventElapsedDays.extension",
        "path" : "Extension.extension.extension",
        "max" : "0"
      },
      {
        "id" : "Extension.extension:EventElapsedDays.url",
        "path" : "Extension.extension.url",
        "fixedUri" : "EventElapsedDays"
      },
      {
        "id" : "Extension.extension:EventElapsedDays.value[x]",
        "path" : "Extension.extension.value[x]",
        "type" : [
          {
            "code" : "string"
          }
        ]
      },
      {
        "id" : "Extension.extension:PathStep",
        "path" : "Extension.extension",
        "sliceName" : "PathStep",
        "short" : "1階層目：パスステップ回数目",
        "min" : 0,
        "max" : "1"
      },
      {
        "id" : "Extension.extension:PathStep.extension",
        "path" : "Extension.extension.extension",
        "max" : "0"
      },
      {
        "id" : "Extension.extension:PathStep.url",
        "path" : "Extension.extension.url",
        "fixedUri" : "PathStep"
      },
      {
        "id" : "Extension.extension:PathStep.value[x]",
        "path" : "Extension.extension.value[x]",
        "type" : [
          {
            "code" : "integer"
          }
        ]
      },
      {
        "id" : "Extension.extension:PathStepName",
        "path" : "Extension.extension",
        "sliceName" : "PathStepName",
        "short" : "1階層目：パスステップ名称",
        "min" : 0,
        "max" : "1"
      },
      {
        "id" : "Extension.extension:PathStepName.extension",
        "path" : "Extension.extension.extension",
        "max" : "0"
      },
      {
        "id" : "Extension.extension:PathStepName.url",
        "path" : "Extension.extension.url",
        "fixedUri" : "PathStepName"
      },
      {
        "id" : "Extension.extension:PathStepName.value[x]",
        "path" : "Extension.extension.value[x]",
        "type" : [
          {
            "code" : "string"
          }
        ]
      },
      {
        "id" : "Extension.extension:InpatientOutpatientType",
        "path" : "Extension.extension",
        "sliceName" : "InpatientOutpatientType",
        "short" : "1階層目：入外区分",
        "min" : 0,
        "max" : "1"
      },
      {
        "id" : "Extension.extension:InpatientOutpatientType.extension",
        "path" : "Extension.extension.extension",
        "max" : "0"
      },
      {
        "id" : "Extension.extension:InpatientOutpatientType.url",
        "path" : "Extension.extension.url",
        "fixedUri" : "InpatientOutpatientType"
      },
      {
        "id" : "Extension.extension:InpatientOutpatientType.value[x]",
        "path" : "Extension.extension.value[x]",
        "min" : 1,
        "type" : [
          {
            "code" : "code"
          }
        ]
      },
      {
        "id" : "Extension.extension:AllowableElapsedDaysConditionType",
        "path" : "Extension.extension",
        "sliceName" : "AllowableElapsedDaysConditionType",
        "short" : "1階層目：許容経過日数条件 起点日種別",
        "min" : 0,
        "max" : "1"
      },
      {
        "id" : "Extension.extension:AllowableElapsedDaysConditionType.extension",
        "path" : "Extension.extension.extension",
        "max" : "0"
      },
      {
        "id" : "Extension.extension:AllowableElapsedDaysConditionType.url",
        "path" : "Extension.extension.url",
        "fixedUri" : "AllowableElapsedDaysConditionType"
      },
      {
        "id" : "Extension.extension:AllowableElapsedDaysConditionType.value[x]",
        "path" : "Extension.extension.value[x]",
        "min" : 1,
        "type" : [
          {
            "code" : "code"
          }
        ]
      },
      {
        "id" : "Extension.extension:AllowableElapsedDaysConditionDays",
        "path" : "Extension.extension",
        "sliceName" : "AllowableElapsedDaysConditionDays",
        "short" : "1階層目：許容経過日数条件 指定起点病日",
        "min" : 0,
        "max" : "1"
      },
      {
        "id" : "Extension.extension:AllowableElapsedDaysConditionDays.extension",
        "path" : "Extension.extension.extension",
        "max" : "0"
      },
      {
        "id" : "Extension.extension:AllowableElapsedDaysConditionDays.url",
        "path" : "Extension.extension.url",
        "fixedUri" : "AllowableElapsedDaysConditionDays"
      },
      {
        "id" : "Extension.extension:AllowableElapsedDaysConditionDays.value[x]",
        "path" : "Extension.extension.value[x]",
        "min" : 1,
        "type" : [
          {
            "code" : "string"
          }
        ]
      },
      {
        "id" : "Extension.extension:AllowableElapsedDaysConditionRangeHigh",
        "path" : "Extension.extension",
        "sliceName" : "AllowableElapsedDaysConditionRangeHigh",
        "short" : "1階層目：許容経過日数条件 指定許容日数期間 上限値",
        "min" : 0,
        "max" : "1"
      },
      {
        "id" : "Extension.extension:AllowableElapsedDaysConditionRangeHigh.extension",
        "path" : "Extension.extension.extension",
        "max" : "0"
      },
      {
        "id" : "Extension.extension:AllowableElapsedDaysConditionRangeHigh.url",
        "path" : "Extension.extension.url",
        "fixedUri" : "AllowableElapsedDaysConditionRangeHigh"
      },
      {
        "id" : "Extension.extension:AllowableElapsedDaysConditionRangeHigh.value[x]",
        "path" : "Extension.extension.value[x]",
        "min" : 1,
        "type" : [
          {
            "code" : "integer"
          }
        ]
      },
      {
        "id" : "Extension.extension:AllowableElapsedDaysConditionRangeLow",
        "path" : "Extension.extension",
        "sliceName" : "AllowableElapsedDaysConditionRangeLow",
        "short" : "1階層目：許容経過日数条件 指定許容日数期間 下限値",
        "min" : 0,
        "max" : "1"
      },
      {
        "id" : "Extension.extension:AllowableElapsedDaysConditionRangeLow.extension",
        "path" : "Extension.extension.extension",
        "max" : "0"
      },
      {
        "id" : "Extension.extension:AllowableElapsedDaysConditionRangeLow.url",
        "path" : "Extension.extension.url",
        "fixedUri" : "AllowableElapsedDaysConditionRangeLow"
      },
      {
        "id" : "Extension.extension:AllowableElapsedDaysConditionRangeLow.value[x]",
        "path" : "Extension.extension.value[x]",
        "min" : 1,
        "type" : [
          {
            "code" : "integer"
          }
        ]
      },
      {
        "id" : "Extension.url",
        "path" : "Extension.url",
        "fixedUri" : "http://e-path.jp/fhir/ePath/StructureDefinition/EPathPlanDefinitionEventActionExtensions"
      },
      {
        "id" : "Extension.value[x]",
        "path" : "Extension.value[x]",
        "max" : "0"
      }
    ]
  }
}

```
