diff --git a/Microsoft.Azure.Cosmos/src/Telemetry/OpenTelemetry/CosmosDbClientMetrics.cs b/Microsoft.Azure.Cosmos/src/Telemetry/OpenTelemetry/CosmosDbClientMetrics.cs
index 19cf4d955c..fc46efbcf6 100644
--- a/Microsoft.Azure.Cosmos/src/Telemetry/OpenTelemetry/CosmosDbClientMetrics.cs
+++ b/Microsoft.Azure.Cosmos/src/Telemetry/OpenTelemetry/CosmosDbClientMetrics.cs
@@ -49,7 +49,7 @@ public static class Name
                 /// <summary>
                 /// For feed operations (query, readAll, readMany, change feed) batch operations this meter capture the actual item count in responses from the service. 
                 /// </summary>
-                public const string RowCount = "db.client.response.row_count";
+                public const string RowCount = "db.client.response.returned_rows";
 
                 /// <summary>
                 /// Number of active SDK client instances. 
@@ -63,9 +63,14 @@ public static class Name
             public static class Unit
             {
                 /// <summary>
-                /// Unit representing a simple count
+                /// Unit representing active client instances
                 /// </summary>
-                public const string Count = "#";
+                public const string Instance = "{instance}";
+
+                /// <summary>
+                /// Unit representing count of items in response
+                /// </summary>
+                public const string Item = "{item}";
 
                 /// <summary>
                 /// Unit representing time in seconds
@@ -73,10 +78,9 @@ public static class Unit
                 public const string Sec = "s";
 
                 /// <summary>
-                /// Unit representing request units
+                /// Unit representing request units (RU)
                 /// </summary>
-                public const string RequestUnit = "# RU";
-
+                public const string RequestUnit = "{request_unit}";
             }
 
             /// <summary>
diff --git a/Microsoft.Azure.Cosmos/src/Telemetry/OpenTelemetry/CosmosDbOperationMeter.cs b/Microsoft.Azure.Cosmos/src/Telemetry/OpenTelemetry/CosmosDbOperationMeter.cs
index 7f0063cd7f..5a084dd67a 100644
--- a/Microsoft.Azure.Cosmos/src/Telemetry/OpenTelemetry/CosmosDbOperationMeter.cs
+++ b/Microsoft.Azure.Cosmos/src/Telemetry/OpenTelemetry/CosmosDbOperationMeter.cs
@@ -75,11 +75,11 @@ internal static void Initialize(CosmosClientTelemetryOptions metricsOptions = nu
                 description: CosmosDbClientMetrics.OperationMetrics.Description.RequestCharge);
 
             CosmosDbOperationMeter.ActualItemHistogram ??= OperationMeter.CreateHistogram<int>(name: CosmosDbClientMetrics.OperationMetrics.Name.RowCount,
-                unit: CosmosDbClientMetrics.OperationMetrics.Unit.Count, 
+                unit: CosmosDbClientMetrics.OperationMetrics.Unit.Item,
                 description: CosmosDbClientMetrics.OperationMetrics.Description.RowCount);
 
             CosmosDbOperationMeter.ActiveInstanceCounter ??= OperationMeter.CreateUpDownCounter<int>(name: CosmosDbClientMetrics.OperationMetrics.Name.ActiveInstances,
-                unit: CosmosDbClientMetrics.OperationMetrics.Unit.Count,
+                unit: CosmosDbClientMetrics.OperationMetrics.Unit.Instance,
                 description: CosmosDbClientMetrics.OperationMetrics.Description.ActiveInstances);
 
             IsEnabled = true;
diff --git a/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.EmulatorTests/Metrics/OpenTelemetryMetricsTest.cs b/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.EmulatorTests/Metrics/OpenTelemetryMetricsTest.cs
index 2f751c0419..97728d3263 100644
--- a/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.EmulatorTests/Metrics/OpenTelemetryMetricsTest.cs
+++ b/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.EmulatorTests/Metrics/OpenTelemetryMetricsTest.cs
@@ -25,7 +25,7 @@ public class OpenTelemetryMetricsTest : BaseCosmosClientHelper
         private static readonly Dictionary<string, MetricType> expectedOperationMetrics = new()
         {
             { "db.client.operation.duration", MetricType.Histogram },
-            { "db.client.response.row_count", MetricType.Histogram},
+            { "db.client.response.returned_rows", MetricType.Histogram},
             { "azure.cosmosdb.client.operation.request_charge", MetricType.Histogram },
             { "azure.cosmosdb.client.active_instance.count", MetricType.LongSumNonMonotonic }
         };
diff --git a/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/Contracts/DotNetPreviewSDKAPI.json b/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/Contracts/DotNetPreviewSDKAPI.json
index c1244cca96..268a52d9f5 100644
--- a/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/Contracts/DotNetPreviewSDKAPI.json
+++ b/Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.Tests/Contracts/DotNetPreviewSDKAPI.json
@@ -667,10 +667,15 @@
             "Microsoft.Azure.Cosmos.CosmosDbClientMetrics+OperationMetrics+Unit;System.Object;IsAbstract:True;IsSealed:True;IsInterface:False;IsEnum:False;IsClass:True;IsValueType:False;IsNested:True;IsGenericType:False;IsSerializable:False": {
               "Subclasses": {},
               "Members": {
-                "System.String Count": {
+                "System.String Instance": {
                   "Type": "Field",
                   "Attributes": [],
-                  "MethodInfo": "System.String Count;IsInitOnly:False;IsStatic:True;"
+                  "MethodInfo": "System.String Instance;IsInitOnly:False;IsStatic:True;"
+                },
+                "System.String Item": {
+                  "Type": "Field",
+                  "Attributes": [],
+                  "MethodInfo": "System.String Item;IsInitOnly:False;IsStatic:True;"
                 },
                 "System.String RequestUnit": {
                   "Type": "Field",
@@ -1023,10 +1028,15 @@
         "Microsoft.Azure.Cosmos.CosmosDbClientMetrics+OperationMetrics+Unit;System.Object;IsAbstract:True;IsSealed:True;IsInterface:False;IsEnum:False;IsClass:True;IsValueType:False;IsNested:True;IsGenericType:False;IsSerializable:False": {
           "Subclasses": {},
           "Members": {
-            "System.String Count": {
+            "System.String Instance": {
               "Type": "Field",
               "Attributes": [],
-              "MethodInfo": "System.String Count;IsInitOnly:False;IsStatic:True;"
+              "MethodInfo": "System.String Instance;IsInitOnly:False;IsStatic:True;"
+            },
+            "System.String Item": {
+              "Type": "Field",
+              "Attributes": [],
+              "MethodInfo": "System.String Item;IsInitOnly:False;IsStatic:True;"
             },
             "System.String RequestUnit": {
               "Type": "Field",
@@ -1098,10 +1108,15 @@
     "Microsoft.Azure.Cosmos.CosmosDbClientMetrics+OperationMetrics+Unit;System.Object;IsAbstract:True;IsSealed:True;IsInterface:False;IsEnum:False;IsClass:True;IsValueType:False;IsNested:True;IsGenericType:False;IsSerializable:False": {
       "Subclasses": {},
       "Members": {
-        "System.String Count": {
+        "System.String Instance": {
+          "Type": "Field",
+          "Attributes": [],
+          "MethodInfo": "System.String Instance;IsInitOnly:False;IsStatic:True;"
+        },
+        "System.String Item": {
           "Type": "Field",
           "Attributes": [],
-          "MethodInfo": "System.String Count;IsInitOnly:False;IsStatic:True;"
+          "MethodInfo": "System.String Item;IsInitOnly:False;IsStatic:True;"
         },
         "System.String RequestUnit": {
           "Type": "Field",