# EPath Procedure MajorEvent - ePath R4 Implementation Guide v1.0.1

* [**Table of Contents**](toc.md)
* [**Artifacts Summary**](artifacts.md)
* **EPath Procedure MajorEvent**

## Resource Profile: EPath Procedure MajorEvent 

| | |
| :--- | :--- |
| *Official URL*:http://e-path.jp/fhir/ePath/StructureDefinition/EPathProcedureMajorEvent | *Version*:1.0.1 |
| Active as of 2026-02-19 | *Computable Name*:EPathProcedureMajorEvent |
| **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 | |

 
主要イベント情報 

**Usages:**

* Use this Profile: [EPath Bundle Message EP12](StructureDefinition-EPathBundleMessageEP12.md)
* Refer to this Profile: [EPath CarePlan EPathApply](StructureDefinition-EPathCarePlanEPathApply.md) and [EPath CarePlan Event](StructureDefinition-EPathCarePlanEvent.md)

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

### Formal Views of Profile Content

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

 

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



## Resource Content

```json
{
  "resourceType" : "StructureDefinition",
  "id" : "EPathProcedureMajorEvent",
  "url" : "http://e-path.jp/fhir/ePath/StructureDefinition/EPathProcedureMajorEvent",
  "version" : "1.0.1",
  "name" : "EPathProcedureMajorEvent",
  "title" : "EPath Procedure MajorEvent",
  "status" : "active",
  "date" : "2026-02-19T12:27:55+09:00",
  "contact" : [
    {
      "name" : "ePath Project",
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://e-path.jp"
        }
      ]
    }
  ],
  "description" : "主要イベント情報",
  "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" : "workflow",
      "uri" : "http://hl7.org/fhir/workflow",
      "name" : "Workflow Pattern"
    },
    {
      "identity" : "rim",
      "uri" : "http://hl7.org/v3",
      "name" : "RIM Mapping"
    },
    {
      "identity" : "w5",
      "uri" : "http://hl7.org/fhir/fivews",
      "name" : "FiveWs Pattern Mapping"
    },
    {
      "identity" : "v2",
      "uri" : "http://hl7.org/v2",
      "name" : "HL7 v2 Mapping"
    }
  ],
  "kind" : "resource",
  "abstract" : false,
  "type" : "Procedure",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Procedure",
  "derivation" : "constraint",
  "differential" : {
    "element" : [
      {
        "id" : "Procedure.meta",
        "path" : "Procedure.meta",
        "min" : 1
      },
      {
        "id" : "Procedure.meta.profile",
        "path" : "Procedure.meta.profile",
        "min" : 1,
        "mustSupport" : true
      },
      {
        "id" : "Procedure.extension",
        "path" : "Procedure.extension",
        "slicing" : {
          "discriminator" : [
            {
              "type" : "value",
              "path" : "url"
            }
          ],
          "ordered" : false,
          "rules" : "open"
        },
        "min" : 2
      },
      {
        "id" : "Procedure.extension:ePathProcedureAdmissionMajorEventElapsedDays",
        "path" : "Procedure.extension",
        "sliceName" : "ePathProcedureAdmissionMajorEventElapsedDays",
        "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" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "Extension",
            "profile" : [
              "http://e-path.jp/fhir/ePath/StructureDefinition/EPathProcedureAdmissionMajorEventElapsedDays"
            ]
          }
        ],
        "mustSupport" : true
      },
      {
        "id" : "Procedure.extension:ePathProcedureAdmissionMajorEventDate",
        "path" : "Procedure.extension",
        "sliceName" : "ePathProcedureAdmissionMajorEventDate",
        "short" : "主要イベント日",
        "definition" : "主要イベントの開始・終了時刻",
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "Extension",
            "profile" : [
              "http://e-path.jp/fhir/ePath/StructureDefinition/EPathProcedureAdmissionMajorEventDate"
            ]
          }
        ],
        "mustSupport" : true
      },
      {
        "id" : "Procedure.identifier",
        "path" : "Procedure.identifier",
        "slicing" : {
          "discriminator" : [
            {
              "type" : "value",
              "path" : "system"
            }
          ],
          "rules" : "open"
        },
        "min" : 1
      },
      {
        "id" : "Procedure.identifier:resourceInstanceIdentifier",
        "path" : "Procedure.identifier",
        "sliceName" : "resourceInstanceIdentifier",
        "min" : 1,
        "max" : "1",
        "mustSupport" : true
      },
      {
        "id" : "Procedure.identifier:resourceInstanceIdentifier.system",
        "path" : "Procedure.identifier.system",
        "min" : 1,
        "fixedUri" : "http://e-path.jp/fhir/ePath/IdSystem/resourceInstance-identifier",
        "mustSupport" : true
      },
      {
        "id" : "Procedure.identifier:resourceInstanceIdentifier.value",
        "path" : "Procedure.identifier.value",
        "min" : 1,
        "mustSupport" : true
      },
      {
        "id" : "Procedure.status",
        "path" : "Procedure.status",
        "definition" : "設定できない場合は、completedを設定する。",
        "mustSupport" : true
      },
      {
        "id" : "Procedure.category",
        "path" : "Procedure.category",
        "short" : "診療区分",
        "definition" : "（予約項目）\r\n処方、処置、手術等の診療を識別するコード・名称・コード体系"
      },
      {
        "id" : "Procedure.code",
        "path" : "Procedure.code",
        "mustSupport" : true
      },
      {
        "id" : "Procedure.code.text",
        "path" : "Procedure.code.text",
        "short" : "イベント名称",
        "definition" : "イベントに応じた術式・処置の名称",
        "min" : 1
      },
      {
        "id" : "Procedure.subject",
        "path" : "Procedure.subject",
        "type" : [
          {
            "code" : "Reference",
            "targetProfile" : ["http://jpfhir.jp/fhir/core/StructureDefinition/JP_Patient"]
          }
        ],
        "mustSupport" : true
      },
      {
        "id" : "Procedure.performed[x]",
        "path" : "Procedure.performed[x]",
        "short" : "主要イベント時間",
        "definition" : "主要イベントの開始・終了時刻",
        "type" : [
          {
            "code" : "Period"
          }
        ]
      },
      {
        "id" : "Procedure.performed[x].start",
        "path" : "Procedure.performed[x].start",
        "min" : 1
      },
      {
        "id" : "Procedure.performer",
        "path" : "Procedure.performer",
        "short" : "実施者・実施者職種",
        "definition" : "実施者・実施者職種"
      },
      {
        "id" : "Procedure.performer.actor",
        "path" : "Procedure.performer.actor",
        "short" : "実施者（Practitioner）、実施者職種（PractitionerRole）への参照",
        "definition" : "実施者（Practitioner）、実施者職種（PractitionerRole）への参照",
        "type" : [
          {
            "code" : "Reference",
            "targetProfile" : [
              "http://e-path.jp/fhir/ePath/StructureDefinition/EPathPractitioner",
              "http://e-path.jp/fhir/ePath/StructureDefinition/EPathPractitionerRole"
            ]
          }
        ]
      },
      {
        "id" : "Procedure.performer.actor.type",
        "path" : "Procedure.performer.actor.type",
        "min" : 1
      },
      {
        "id" : "Procedure.performer.actor.display",
        "path" : "Procedure.performer.actor.display",
        "min" : 1,
        "mustSupport" : true
      },
      {
        "id" : "Procedure.usedCode",
        "path" : "Procedure.usedCode",
        "short" : "麻酔種別",
        "definition" : "（予約項目）\r\n処置、手術等で麻酔を用いた場合の麻酔の種別を表すコード・名称・コード体系"
      }
    ]
  }
}

```
