diff --git a/sdk/monitor/azure-monitor-opentelemetry-exporter/CHANGELOG.md b/sdk/monitor/azure-monitor-opentelemetry-exporter/CHANGELOG.md
index 54e405fb5387..cda596fabf99 100644
--- a/sdk/monitor/azure-monitor-opentelemetry-exporter/CHANGELOG.md
+++ b/sdk/monitor/azure-monitor-opentelemetry-exporter/CHANGELOG.md
@@ -13,6 +13,8 @@
 ### Breaking Changes
 
 ### Bugs Fixed
+- Add custom metric mapping for customer sdkstats metric names to preserve casing
+  ([#44855](https://github.com/Azure/azure-sdk-for-python/pull/44855))
 - Fix customer SDK stats metrics to display drop code and retry code enum values without the prefix
   ([#44852](https://github.com/Azure/azure-sdk-for-python/pull/44852))
 
@@ -771,4 +773,4 @@
 
 - Initial alpha release
 
-# cSpell:enable
+# cSpell:enable
\ No newline at end of file
diff --git a/sdk/monitor/azure-monitor-opentelemetry-exporter/azure/monitor/opentelemetry/exporter/_constants.py b/sdk/monitor/azure-monitor-opentelemetry-exporter/azure/monitor/opentelemetry/exporter/_constants.py
index cc8f19702a6d..11ec9db31f53 100644
--- a/sdk/monitor/azure-monitor-opentelemetry-exporter/azure/monitor/opentelemetry/exporter/_constants.py
+++ b/sdk/monitor/azure-monitor-opentelemetry-exporter/azure/monitor/opentelemetry/exporter/_constants.py
@@ -183,10 +183,24 @@ class RetryCode(str, Enum, metaclass=CaseInsensitiveEnumMeta):
 RetryCodeType = Union[RetryCode, int]
 
 
+# Customer SDK Stats metric names: (lowercase_otel_name, pascal_case_display_name)
+_ITEM_SUCCESS_COUNT_NAME = ("item_success_count", "Item_Success_Count")
+_ITEM_DROP_COUNT_NAME = ("item_dropped_count", "Item_Dropped_Count")
+_ITEM_RETRY_COUNT_NAME = ("item_retry_count", "Item_Retry_Count")
+
+_CUSTOMER_SDKSTATS_METRIC_NAME_MAPPINGS = dict(
+    [
+        _ITEM_SUCCESS_COUNT_NAME,
+        _ITEM_DROP_COUNT_NAME,
+        _ITEM_RETRY_COUNT_NAME,
+    ]
+)
+
+
 class CustomerSdkStatsMetricName(str, Enum, metaclass=CaseInsensitiveEnumMeta):
-    ITEM_SUCCESS_COUNT = "Item_Success_Count"
-    ITEM_DROP_COUNT = "Item_Dropped_Count"
-    ITEM_RETRY_COUNT = "Item_Retry_Count"
+    ITEM_SUCCESS_COUNT = _ITEM_SUCCESS_COUNT_NAME[0]
+    ITEM_DROP_COUNT = _ITEM_DROP_COUNT_NAME[0]
+    ITEM_RETRY_COUNT = _ITEM_RETRY_COUNT_NAME[0]
 
 
 ## Map from Azure Monitor envelope base_types to TelemetryType
diff --git a/sdk/monitor/azure-monitor-opentelemetry-exporter/azure/monitor/opentelemetry/exporter/export/metrics/_exporter.py b/sdk/monitor/azure-monitor-opentelemetry-exporter/azure/monitor/opentelemetry/exporter/export/metrics/_exporter.py
index 69ef653465d8..4a5bb1aa2f7d 100644
--- a/sdk/monitor/azure-monitor-opentelemetry-exporter/azure/monitor/opentelemetry/exporter/export/metrics/_exporter.py
+++ b/sdk/monitor/azure-monitor-opentelemetry-exporter/azure/monitor/opentelemetry/exporter/export/metrics/_exporter.py
@@ -39,6 +39,7 @@
     _APPLICATIONINSIGHTS_METRICS_TO_LOGANALYTICS_ENABLED,
     _APPLICATIONINSIGHTS_METRIC_NAMESPACE_OPT_IN,
     _AUTOCOLLECTED_INSTRUMENT_NAMES,
+    _CUSTOMER_SDKSTATS_METRIC_NAME_MAPPINGS,
     _METRIC_ENVELOPE_NAME,
     _STATSBEAT_METRIC_NAME_MAPPINGS,
 )
@@ -167,6 +168,9 @@ def _point_to_envelope(
         final_metric_name = name
         if self._is_sdkstats and name in _STATSBEAT_METRIC_NAME_MAPPINGS:
             final_metric_name = _STATSBEAT_METRIC_NAME_MAPPINGS[name]
+        # Apply customer sdkstats metric name mapping if this is a customer sdkstats exporter
+        if self._is_customer_sdkstats and name in _CUSTOMER_SDKSTATS_METRIC_NAME_MAPPINGS:
+            final_metric_name = _CUSTOMER_SDKSTATS_METRIC_NAME_MAPPINGS[name]
 
         envelope = _convert_point_to_envelope(point, final_metric_name, resource, scope)
         # Note that Performance Counters are not counted as "Autocollected standard metrics"