diff --git a/dictation_server/src/api/odms/openapi.json b/dictation_server/src/api/odms/openapi.json
index 7ecacde..ae10150 100644
--- a/dictation_server/src/api/odms/openapi.json
+++ b/dictation_server/src/api/odms/openapi.json
@@ -3015,7 +3015,33 @@
         "required": ["worktypeId"]
       },
       "UpdateWorktypeResponse": { "type": "object", "properties": {} },
-      "WorktypeOptionItem": {
+      "GetWorktypeOptionItem": {
+        "type": "object",
+        "properties": {
+          "itemLabel": { "type": "string", "maxLength": 16 },
+          "defaultValueType": {
+            "type": "string",
+            "maxLength": 20,
+            "description": "Default / Blank / LastInput"
+          },
+          "initialValue": { "type": "string", "maxLength": 20 },
+          "id": { "type": "number" }
+        },
+        "required": ["itemLabel", "defaultValueType", "initialValue", "id"]
+      },
+      "GetOptionItemsResponse": {
+        "type": "object",
+        "properties": {
+          "optionItems": {
+            "maxItems": 10,
+            "minItems": 10,
+            "type": "array",
+            "items": { "$ref": "#/components/schemas/GetWorktypeOptionItem" }
+          }
+        },
+        "required": ["optionItems"]
+      },
+      "PostWorktypeOptionItem": {
         "type": "object",
         "properties": {
           "itemLabel": { "type": "string", "maxLength": 16 },
@@ -3028,18 +3054,6 @@
         },
         "required": ["itemLabel", "defaultValueType", "initialValue"]
       },
-      "GetOptionItemsResponse": {
-        "type": "object",
-        "properties": {
-          "optionItems": {
-            "maxItems": 10,
-            "minItems": 10,
-            "type": "array",
-            "items": { "$ref": "#/components/schemas/WorktypeOptionItem" }
-          }
-        },
-        "required": ["optionItems"]
-      },
       "UpdateOptionItemsRequest": {
         "type": "object",
         "properties": {
@@ -3047,7 +3061,7 @@
             "maxItems": 10,
             "minItems": 10,
             "type": "array",
-            "items": { "$ref": "#/components/schemas/WorktypeOptionItem" }
+            "items": { "$ref": "#/components/schemas/PostWorktypeOptionItem" }
           }
         },
         "required": ["optionItems"]
diff --git a/dictation_server/src/features/accounts/accounts.service.spec.ts b/dictation_server/src/features/accounts/accounts.service.spec.ts
index c9c9cf3..369feab 100644
--- a/dictation_server/src/features/accounts/accounts.service.spec.ts
+++ b/dictation_server/src/features/accounts/accounts.service.spec.ts
@@ -3913,6 +3913,9 @@ describe('getOptionItems', () => {
     //実行結果を確認
     {
       expect(resOptionItems.optionItems.length).toBe(10);
+      expect(resOptionItems.optionItems.map((x) => x.id)).toEqual(
+        optionItems.map((x) => x.id),
+      );
       expect(resOptionItems.optionItems[0].itemLabel).toBe('');
       expect(resOptionItems.optionItems[0].defaultValueType).toBe(
         OPTION_ITEM_VALUE_TYPE.DEFAULT,
diff --git a/dictation_server/src/features/accounts/accounts.service.ts b/dictation_server/src/features/accounts/accounts.service.ts
index 7e61ef1..8944b0d 100644
--- a/dictation_server/src/features/accounts/accounts.service.ts
+++ b/dictation_server/src/features/accounts/accounts.service.ts
@@ -1345,6 +1345,7 @@ export class AccountsService {
 
       return {
         optionItems: optionItems.map((x) => ({
+          id: x.id,
           itemLabel: x.item_label,
           defaultValueType: x.default_value_type,
           initialValue: x.initial_value,
diff --git a/dictation_server/src/features/accounts/types/types.ts b/dictation_server/src/features/accounts/types/types.ts
index 216b3cb..d907538 100644
--- a/dictation_server/src/features/accounts/types/types.ts
+++ b/dictation_server/src/features/accounts/types/types.ts
@@ -380,7 +380,7 @@ export class UpdateWorktypesRequest {
 
 export class UpdateWorktypeResponse {}
 
-export class WorktypeOptionItem {
+export class PostWorktypeOptionItem {
   @ApiProperty({ maxLength: 16 })
   @MaxLength(16)
   itemLabel: string;
@@ -395,13 +395,18 @@ export class WorktypeOptionItem {
   @MaxLength(20)
   initialValue: string;
 }
+export class GetWorktypeOptionItem extends PostWorktypeOptionItem {
+  @ApiProperty()
+  id: number;
+}
+
 export class GetOptionItemsResponse {
   @ApiProperty({
     maxItems: 10,
     minItems: 10,
-    type: [WorktypeOptionItem],
+    type: [GetWorktypeOptionItem],
   })
-  optionItems: WorktypeOptionItem[];
+  optionItems: GetWorktypeOptionItem[];
 }
 
 export class GetOptionItemsRequestParam {
@@ -416,14 +421,14 @@ export class UpdateOptionItemsRequest {
   @ApiProperty({
     maxItems: 10,
     minItems: 10,
-    type: [WorktypeOptionItem],
+    type: [PostWorktypeOptionItem],
   })
   @IsArray()
   @ValidateNested({ each: true })
-  @Type(() => WorktypeOptionItem)
+  @Type(() => PostWorktypeOptionItem)
   @ArrayMinSize(10)
   @ArrayMaxSize(10)
-  optionItems: WorktypeOptionItem[];
+  optionItems: PostWorktypeOptionItem[];
 }
 
 export class UpdateOptionItemsResponse {}