Index: firmware/App/Controllers/BloodLeak.c
===================================================================
diff -u -rd539db7e39e389c19cead52a49920b48a3280054 -rf487bb5f87d2e09a94f0a609552f1c93d1efb684
--- firmware/App/Controllers/BloodLeak.c	(.../BloodLeak.c)	(revision d539db7e39e389c19cead52a49920b48a3280054)
+++ firmware/App/Controllers/BloodLeak.c	(.../BloodLeak.c)	(revision f487bb5f87d2e09a94f0a609552f1c93d1efb684)
@@ -164,6 +164,7 @@
     U32 intensityRunningSum;                                                                     ///< Blood leak intensity running sum for moving average.
     U32 rawIntensityNextIndex;                                                                   ///< Blood leak raw intensity next index for moving average.
     OVERRIDE_F32_T intensityMovingAverage;                                                       ///< Blood leak intensity moving average.
+    OVERRIDE_U32_T zeroingIntervalTimeMS;                                                        ///< Blood leak zeroing interval time in milliseconds.
 } BLOOD_LEAK_ZEROING_STATUS_T;
 
 // ********** private data **********
@@ -303,6 +304,11 @@
     // Initialize the blood leak zeroing sequence status structure
     memset( &bloodLeakZeroingStatus, 0x0, sizeof( BLOOD_LEAK_ZEROING_STATUS_T ) );
 
+    bloodLeakZeroingStatus.zeroingIntervalTimeMS.data       = BLD_ZERO_MIN_INTERVAL_MS;
+    bloodLeakZeroingStatus.zeroingIntervalTimeMS.ovInitData = BLD_ZERO_MIN_INTERVAL_MS;
+    bloodLeakZeroingStatus.zeroingIntervalTimeMS.ovData     = 0;
+    bloodLeakZeroingStatus.zeroingIntervalTimeMS.override   = 0;
+
     // Enqueue the commands to set the embedded mode and request the set point of the blood leak sensor
     enqueueEmbModeCmd( CS_EMB_MODE_CMD );
     enqueueEmbModeCmd( D_EMB_MODE_CMD );
@@ -924,7 +930,8 @@
     U32 setPoint          = bloodLeakEmbModeCmd[ D_EMB_MODE_CMD ].commandResp;
     F32 driftMinFromTop   = BLD_NOMINAL_INTENSITY - ( setPoint * BLD_MAX_INTENSITY_OUT_OF_RANGE );
     F32 driftMaxFromTop   = BLD_NOMINAL_INTENSITY - ( setPoint * BLD_MIN_INTENSITY_OUT_OF_RANGE );
-    BOOL isZeroingAllowed = didTimeout( bloodLeakZeroingStatus.lastZeroingStartTimeMS, BLD_ZERO_MIN_INTERVAL_MS );
+    U32 zeroingIntervalMS = getU32OverrideValue( &bloodLeakZeroingStatus.zeroingIntervalTimeMS );
+    BOOL isZeroingAllowed = didTimeout( bloodLeakZeroingStatus.lastZeroingStartTimeMS, zeroingIntervalMS );
     F32 intensityMvgAvg   = getF32OverrideValue( &bloodLeakZeroingStatus.intensityMovingAverage );
 
     isZeroingNeeded &= ( intensityMvgAvg >= driftMinFromTop ? TRUE : FALSE );
@@ -2086,7 +2093,7 @@
 
 /*********************************************************************//**
  * @brief
- * The testResetBloodLeakIntensityMovingAverageOverride function reset the
+ * The testResetBloodLeakIntensityMovingAverageOverride function resets the
  * override of the blood leak intensity moving average.
  * @details Inputs: none
  * @details Outputs: bloodLeakZeroingStatus
@@ -2106,4 +2113,49 @@
     return result;
 }
 
+/*********************************************************************//**
+ * @brief
+ * The testSetBloodLeakZeroingIntervalInMinsOverride function overrides the
+ * blood leak zeroing interval in minutes.
+ * @details Inputs: none
+ * @details Outputs: bloodLeakZeroingStatus
+ * @param value zeroing interval in minutes
+ * @return TRUE if override successful, FALSE if not
+ *************************************************************************/
+BOOL testSetBloodLeakZeroingIntervalInMinsOverride( U32 valueMins )
+{
+    BOOL result = FALSE;
+
+    if ( TRUE == isTestingActivated() )
+    {
+        result                                                = TRUE;
+        bloodLeakZeroingStatus.zeroingIntervalTimeMS.ovData   = valueMins;
+        bloodLeakZeroingStatus.zeroingIntervalTimeMS.override = OVERRIDE_KEY;
+    }
+
+    return result;
+}
+
+/*********************************************************************//**
+ * @brief
+ * The testResetBloodLeakZeroingIntervalInMinsOverride function resets the
+ * override of the blood leak zeroing interval
+ * @details Inputs: none
+ * @details Outputs: bloodLeakZeroingStatus
+ * @return TRUE if override successful, FALSE if not
+ *************************************************************************/
+BOOL testResetBloodLeakZeroingIntervalInMinsOverride( void )
+{
+    BOOL result = FALSE;
+
+    if ( TRUE == isTestingActivated() )
+    {
+        result                                                = TRUE;
+        bloodLeakZeroingStatus.zeroingIntervalTimeMS.ovData   = bloodLeakZeroingStatus.zeroingIntervalTimeMS.ovInitData;
+        bloodLeakZeroingStatus.zeroingIntervalTimeMS.override = OVERRIDE_RESET;
+    }
+
+    return result;
+}
+
 /**@}*/
Index: firmware/App/Controllers/BloodLeak.h
===================================================================
diff -u -rd539db7e39e389c19cead52a49920b48a3280054 -rf487bb5f87d2e09a94f0a609552f1c93d1efb684
--- firmware/App/Controllers/BloodLeak.h	(.../BloodLeak.h)	(revision d539db7e39e389c19cead52a49920b48a3280054)
+++ firmware/App/Controllers/BloodLeak.h	(.../BloodLeak.h)	(revision f487bb5f87d2e09a94f0a609552f1c93d1efb684)
@@ -85,6 +85,9 @@
 BOOL testSetBloodLeakIntensityMovingAverageOverride( F32 value );
 BOOL testResetBloodLeakIntensityMovingAverageOverride( void );
 
+BOOL testSetBloodLeakZeroingIntervalInMinsOverride( U32 valueMins );
+BOOL testResetBloodLeakZeroingIntervalInMinsOverride( void );
+
 /**@}*/
 
 #endif
Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -rd539db7e39e389c19cead52a49920b48a3280054 -rf487bb5f87d2e09a94f0a609552f1c93d1efb684
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision d539db7e39e389c19cead52a49920b48a3280054)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision f487bb5f87d2e09a94f0a609552f1c93d1efb684)
@@ -1852,6 +1852,10 @@
                 handleBloodLeakIntensityMovingAverageOverride( message );
                 break;
 
+            case MSG_ID_HD_BLOOD_LEAK_ZEROING_INTERVAL_IN_MINS_OVERRIDE:
+                handleBloodLeakZeroingIntervalInMinutesOverride( message );
+                break;
+
             // The default cannot be reached in VectorCAST since the cases are run in a for loop
             default:
                 // Unrecognized message ID received - ignore
Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -rd539db7e39e389c19cead52a49920b48a3280054 -rf487bb5f87d2e09a94f0a609552f1c93d1efb684
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision d539db7e39e389c19cead52a49920b48a3280054)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision f487bb5f87d2e09a94f0a609552f1c93d1efb684)
@@ -8959,4 +8959,36 @@
     sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
 }
 
+/*********************************************************************//**
+ * @brief
+ * The handleBloodLeakZeroingIntervalInMinutesOverride function handles a
+ * request to override the blood leak zeroing interval in minutes.
+ * @details Inputs: none
+ * @details Outputs: message handled
+ * @param message : a pointer to the message to handle
+ * @return none
+ *************************************************************************/
+void handleBloodLeakZeroingIntervalInMinutesOverride( MESSAGE_T* message )
+{
+    TEST_OVERRIDE_PAYLOAD_T payload;
+    BOOL result = FALSE;
+
+    // Verify payload length
+    if ( sizeof( TEST_OVERRIDE_PAYLOAD_T ) == message->hdr.payloadLen )
+    {
+        memcpy( &payload, message->payload, sizeof( TEST_OVERRIDE_PAYLOAD_T ) );
+        if ( FALSE == payload.reset )
+        {
+            result = testSetBloodLeakZeroingIntervalInMinsOverride( payload.state.u32 );
+        }
+        else
+        {
+            result = testResetBloodLeakZeroingIntervalInMinsOverride();
+        }
+    }
+
+    // Respond to request
+    sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
+}
+
 /**@}*/
Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -rd539db7e39e389c19cead52a49920b48a3280054 -rf487bb5f87d2e09a94f0a609552f1c93d1efb684
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision d539db7e39e389c19cead52a49920b48a3280054)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision f487bb5f87d2e09a94f0a609552f1c93d1efb684)
@@ -1039,6 +1039,9 @@
 // MSG_ID_HD_BLOOD_LEAK_INTENSITY_MVG_AVERAGE_OVERRIDE
 void handleBloodLeakIntensityMovingAverageOverride( MESSAGE_T* message );
 
+// MSG_ID_HD_BLOOD_LEAK_ZEROING_INTERVAL_IN_MINS_OVERRIDE
+void handleBloodLeakZeroingIntervalInMinutesOverride( MESSAGE_T* message );
+
 /**@}*/
 
 #endif