Index: dialin/common/msg_ids.py
===================================================================
diff -u -rfc301b720e14c38a55e8a86e04e5c63bddf12000 -r35309aba38c8d8105181f619b63e2438602d8738
--- dialin/common/msg_ids.py	(.../msg_ids.py)	(revision fc301b720e14c38a55e8a86e04e5c63bddf12000)
+++ dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 35309aba38c8d8105181f619b63e2438602d8738)
@@ -396,6 +396,7 @@
     MSG_ID_HD_PARTIAL_OCCL_BLOOD_PUMP_BASELINE_OVERRIDE = 0x80A2
     MSG_ID_HD_BLOOD_LEAK_EMB_MODE_INFO_VALUES_OVERRIDE = 0x80A3
     MSG_ID_HD_BLOOD_LEAK_INTENSITY_MVG_AVERAGE_OVERRIDE = 0x80A4
+    MSG_ID_HD_BLOOD_LEAK_ZEROING_INTERVAL_IN_MINS_OVERRIDE = 0x80A5
 
     MSG_ID_DG_TESTER_LOGIN_REQUEST = 0xA000
     MSG_ID_DG_ALARM_STATE_OVERRIDE = 0xA001
Index: dialin/hd/blood_leak.py
===================================================================
diff -u -r3b24090c1e1bd87d1e58d14d23d9bbdb0f141372 -r35309aba38c8d8105181f619b63e2438602d8738
--- dialin/hd/blood_leak.py	(.../blood_leak.py)	(revision 3b24090c1e1bd87d1e58d14d23d9bbdb0f141372)
+++ dialin/hd/blood_leak.py	(.../blood_leak.py)	(revision 35309aba38c8d8105181f619b63e2438602d8738)
@@ -406,3 +406,33 @@
             self.logger.debug("Timeout!!!!")
             return False
 
+    def cmd_blood_leak_zeroing_interval_in_minutes(self, value_mins: int, reset=NO_RESET):
+        """
+        Constructs and sends the blood leak zeroing interval in munutes
+        Constraints:
+            Must be logged into HD.
+
+        @param value_mins:  unsigned int - blood leak zeroing interval in minutes
+        @param reset:  integer - 1 to reset a previous override, 0 to override
+        @return: 1 if successful, zero otherwise
+        """
+        rst = integer_to_bytearray(reset)
+        mins = integer_to_bytearray(value_mins)
+        payload = rst + mins
+
+        message = DenaliMessage.build_message(channel_id=DenaliChannels.dialin_to_hd_ch_id,
+                                              message_id=MsgIds.MSG_ID_HD_BLOOD_LEAK_ZEROING_INTERVAL_IN_MINS_OVERRIDE.value,
+                                              payload=payload)
+
+        self.logger.debug("Override blood leak zeroing interval to {} minute(s)".format(value))
+
+        # Send message
+        received_message = self.can_interface.send(message)
+
+        # If there is content...
+        if received_message is not None:
+            # response payload is OK or not OK
+            return received_message['message'][DenaliMessage.PAYLOAD_START_INDEX]
+        else:
+            self.logger.debug("Timeout!!!!")
+            return False