diff --git a/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/HealthcareApis.json b/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/HealthcareApis.json
index bb390c759724..0cee2c5ea41d 100644
--- a/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/HealthcareApis.json
+++ b/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/HealthcareApis.json
@@ -92,6 +92,10 @@
       "description": "Schema of the Data property of an EventGridEvent for a Microsoft.HealthcareApis.DicomImageCreated event.",
       "type": "object",
       "properties": {
+        "partitionName": {
+          "description": "Data partition name",
+          "type": "string"
+        },
         "imageStudyInstanceUid": {
           "description": "Unique identifier for the Study",
           "type": "string"
@@ -123,10 +127,53 @@
         }
       }
     },
+    "HealthcareDicomImageUpdatedEventData": {
+      "description": "Schema of the Data property of an EventGridEvent for a Microsoft.HealthcareApis.DicomImageUpdated event.",
+      "type": "object",
+      "properties": {
+        "partitionName": {
+          "description": "Data partition name",
+          "type": "string"
+        },
+        "imageStudyInstanceUid": {
+          "description": "Unique identifier for the Study",
+          "type": "string"
+        },
+        "imageSeriesInstanceUid": {
+          "description": "Unique identifier for the Series",
+          "type": "string"
+        },
+        "imageSopInstanceUid": {
+          "description": "Unique identifier for the DICOM Image",
+          "type": "string"
+        },
+        "serviceHostName": {
+          "description": "Domain name of the DICOM account for this image.",
+          "type": "string"
+        },
+        "sequenceNumber": {
+          "description": "Sequence number of the DICOM Service within Azure Health Data Services. It is unique for every image creation, updation and deletion within the service.",
+          "type": "integer",
+          "format": "int64"
+        }
+      },
+      "x-ms-examples": {
+        "DicomImageUpdatedCloudEventsSchema": {
+          "$ref": "./examples/cloud-events-schema/dicom_image_updated.json"
+        },
+        "DicomImageUpdatedEventGridSchema": {
+          "$ref": "./examples/event-grid-schema/dicom_image_updated.json"
+        }
+      }
+    },
     "HealthcareDicomImageDeletedEventData": {
       "description": "Schema of the Data property of an EventGridEvent for a Microsoft.HealthcareApis.DicomImageDeleted event.",
       "type": "object",
       "properties": {
+        "partitionName": {
+          "description": "Data partition name",
+          "type": "string"
+        },
         "imageStudyInstanceUid": {
           "description": "Unique identifier for the Study",
           "type": "string"
diff --git a/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/cloud-events-schema/dicom_image_created.json b/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/cloud-events-schema/dicom_image_created.json
index 08e4c6bc2000..1f69f28c1218 100644
--- a/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/cloud-events-schema/dicom_image_created.json
+++ b/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/cloud-events-schema/dicom_image_created.json
@@ -1,10 +1,11 @@
 {
   "source": "/subscriptions/{subscription-id}/resourceGroups/{resource-group-name}/providers/Microsoft.HealthcareApis/workspaces/{workspace-name}",
-  "subject": "{dicom-account}.dicom.azurehealthcareapis.com/v1/studies/1.2.3.4.3/series/1.2.3.4.3.9423673/instances/1.3.6.1.4.1.45096.2.296485376.2210.1633373143.864442",
+  "subject": "{dicom-account}.dicom.azurehealthcareapis.com/v1/partitions/Microsoft.Default/studies/1.2.3.4.3/series/1.2.3.4.3.9423673/instances/1.3.6.1.4.1.45096.2.296485376.2210.1633373143.864442",
   "type": "Microsoft.HealthcareApis.DicomImageCreated",
   "time": "2022-09-15T01:14:04.5613214Z",
   "id": "d621839d-958b-4142-a638-bb966b4f7dfd",
   "data": {
+    "partitionName": "Microsoft.Default",
     "imageStudyInstanceUid": "1.2.3.4.3",
     "imageSeriesInstanceUid": "1.2.3.4.3.9423673",
     "imageSopInstanceUid": "1.3.6.1.4.1.45096.2.296485376.2210.1633373143.864442",
diff --git a/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/cloud-events-schema/dicom_image_deleted.json b/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/cloud-events-schema/dicom_image_deleted.json
index 3fbf68e70205..5fc2ab9ddce0 100644
--- a/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/cloud-events-schema/dicom_image_deleted.json
+++ b/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/cloud-events-schema/dicom_image_deleted.json
@@ -1,10 +1,11 @@
 {
   "source": "/subscriptions/{subscription-id}/resourceGroups/{resource-group-name}/providers/Microsoft.HealthcareApis/workspaces/{workspace-name}",
-  "subject": "{dicom-account}.dicom.azurehealthcareapis.com/v1/studies/1.2.3.4.3/series/1.2.3.4.3.9423673/instances/1.3.6.1.4.1.45096.2.296485376.2210.1633373143.864442",
+  "subject": "{dicom-account}.dicom.azurehealthcareapis.com/v1/partitions/Microsoft.Default/studies/1.2.3.4.3/series/1.2.3.4.3.9423673/instances/1.3.6.1.4.1.45096.2.296485376.2210.1633373143.864442",
   "type": "Microsoft.HealthcareApis.DicomImageDeleted",
   "time": "2022-09-15T01:14:04.5613214Z",
   "id": "eac1c1a0-ffa8-4b28-97cc-1d8b9a0a6021",
   "data": {
+    "partitionName": "Microsoft.Default",
     "imageStudyInstanceUid": "1.2.3.4.3",
     "imageSeriesInstanceUid": "1.2.3.4.3.9423673",
     "imageSopInstanceUid": "1.3.6.1.4.1.45096.2.296485376.2210.1633373143.864442",
diff --git a/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/cloud-events-schema/dicom_image_updated.json b/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/cloud-events-schema/dicom_image_updated.json
new file mode 100644
index 000000000000..112b7d49674f
--- /dev/null
+++ b/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/cloud-events-schema/dicom_image_updated.json
@@ -0,0 +1,16 @@
+{
+  "source": "/subscriptions/{subscription-id}/resourceGroups/{resource-group-name}/providers/Microsoft.HealthcareApis/workspaces/{workspace-name}",
+  "subject": "{dicom-account}.dicom.azurehealthcareapis.com/v1/partitions/Microsoft.Default/studies/1.2.3.4.3/series/1.2.3.4.3.9423673/instances/1.3.6.1.4.1.45096.2.296485376.2210.1633373143.864442",
+  "type": "Microsoft.HealthcareApis.DicomImageUpdated",
+  "time": "2022-09-15T01:14:04.5613214Z",
+  "id": "7e8aca04-e815-4387-82a8-9fcf15a3114b",
+  "data": {
+    "partitionName": "Microsoft.Default",
+    "imageStudyInstanceUid": "1.2.3.4.3",
+    "imageSeriesInstanceUid": "1.2.3.4.3.9423673",
+    "imageSopInstanceUid": "1.3.6.1.4.1.45096.2.296485376.2210.1633373143.864442",
+    "serviceHostName": "{dicom-account}.dicom.azurehealthcareapis.com",
+    "sequenceNumber": 1
+  },
+  "specversion": "1.0"
+}
diff --git a/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/event-grid-schema/dicom_image_created.json b/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/event-grid-schema/dicom_image_created.json
index 13506e42f4f3..99422ee7e7cb 100644
--- a/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/event-grid-schema/dicom_image_created.json
+++ b/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/event-grid-schema/dicom_image_created.json
@@ -1,8 +1,9 @@
 {
   "id": "d621839d-958b-4142-a638-bb966b4f7dfd",
   "topic": "/subscriptions/{subscription-id}/resourceGroups/{resource-group-name}/providers/Microsoft.HealthcareApis/workspaces/{workspace-name}",
-  "subject": "{dicom-account}.dicom.azurehealthcareapis.com/v1/studies/1.2.3.4.3/series/1.2.3.4.3.9423673/instances/1.3.6.1.4.1.45096.2.296485376.2210.1633373143.864442",
+  "subject": "{dicom-account}.dicom.azurehealthcareapis.com/v1/partitions/Microsoft.Default/studies/1.2.3.4.3/series/1.2.3.4.3.9423673/instances/1.3.6.1.4.1.45096.2.296485376.2210.1633373143.864442",
   "data": {
+    "partitionName": "Microsoft.Default",
     "imageStudyInstanceUid": "1.2.3.4.3",
     "imageSeriesInstanceUid": "1.2.3.4.3.9423673",
     "imageSopInstanceUid": "1.3.6.1.4.1.45096.2.296485376.2210.1633373143.864442",
diff --git a/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/event-grid-schema/dicom_image_deleted.json b/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/event-grid-schema/dicom_image_deleted.json
index ef0421e155e6..3e6590b57f48 100644
--- a/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/event-grid-schema/dicom_image_deleted.json
+++ b/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/event-grid-schema/dicom_image_deleted.json
@@ -1,8 +1,9 @@
 {
   "id": "eac1c1a0-ffa8-4b28-97cc-1d8b9a0a6021",
   "topic": "/subscriptions/{subscription-id}/resourceGroups/{resource-group-name}/providers/Microsoft.HealthcareApis/workspaces/{workspace-name}",
-  "subject": "{dicom-account}.dicom.azurehealthcareapis.com/v1/studies/1.2.3.4.3/series/1.2.3.4.3.9423673/instances/1.3.6.1.4.1.45096.2.296485376.2210.1633373143.864442",
+  "subject": "{dicom-account}.dicom.azurehealthcareapis.com/v1/partitions/Microsoft.Default/studies/1.2.3.4.3/series/1.2.3.4.3.9423673/instances/1.3.6.1.4.1.45096.2.296485376.2210.1633373143.864442",
   "data": {
+    "partitionName": "Microsoft.Default",
     "imageStudyInstanceUid": "1.2.3.4.3",
     "imageSeriesInstanceUid": "1.2.3.4.3.9423673",
     "imageSopInstanceUid": "1.3.6.1.4.1.45096.2.296485376.2210.1633373143.864442",
diff --git a/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/event-grid-schema/dicom_image_updated.json b/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/event-grid-schema/dicom_image_updated.json
new file mode 100644
index 000000000000..68678d63d2fb
--- /dev/null
+++ b/specification/eventgrid/data-plane/Microsoft.HealthcareApis/stable/2018-01-01/examples/event-grid-schema/dicom_image_updated.json
@@ -0,0 +1,17 @@
+{
+  "id": "7e8aca04-e815-4387-82a8-9fcf15a3114b",
+  "topic": "/subscriptions/{subscription-id}/resourceGroups/{resource-group-name}/providers/Microsoft.HealthcareApis/workspaces/{workspace-name}",
+  "subject": "{dicom-account}.dicom.azurehealthcareapis.com/v1/partitions/Microsoft.Default/studies/1.2.3.4.3/series/1.2.3.4.3.9423673/instances/1.3.6.1.4.1.45096.2.296485376.2210.1633373143.864442",
+  "data": {
+    "partitionName": "Microsoft.Default",
+    "imageStudyInstanceUid": "1.2.3.4.3",
+    "imageSeriesInstanceUid": "1.2.3.4.3.9423673",
+    "imageSopInstanceUid": "1.3.6.1.4.1.45096.2.296485376.2210.1633373143.864442",
+    "serviceHostName": "{dicom-account}.dicom.azurehealthcareapis.com",
+    "sequenceNumber": 1
+  },
+  "eventType": "Microsoft.HealthcareApis.DicomImageUpdated",
+  "dataVersion": "1",
+  "metadataVersion": "1",
+  "eventTime": "2022-09-15T01:14:04.5613214Z"
+}