Index: MsgDefs.h
===================================================================
diff -u -r86a8d915dbacdcf2a1ece823bf4b3adf83e49396 -red46903ec0b80f36d84142221c8f9b3317b64bf1
--- MsgDefs.h	(.../MsgDefs.h)	(revision 86a8d915dbacdcf2a1ece823bf4b3adf83e49396)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision ed46903ec0b80f36d84142221c8f9b3317b64bf1)
@@ -159,8 +159,9 @@
     MSG_ID_TD_TMP_PRESSURE_OVERRIDE_REQUEST = 0x802C,                               ///< TD override request for TMP pressure
     MSG_ID_TD_REQ_CURRENT_TREATMENT_PARAMETERS = 0x802D,                            ///< TD request for current treatment parameters
     MSG_ID_TD_RSP_CURRENT_TREATMENT_PARAMETERS = 0x802E,                            ///< TD response to request for current treatment parameters
-    MSG_ID_TD_OP_MODE_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0x802F,                   ///< TD override request for operation mode data publish interval
-    MSG_ID_TD_OP_MODE_OVERRIDE_REQUEST = 0x8030,                                    ///< TD set operation mode request
+    MSG_ID_TD_SET_TREATMENT_PARAMETER = 0x802F,                                     ///< TD set a specific treatment parameter
+    MSG_ID_TD_OP_MODE_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0x8030,                   ///< TD override request for operation mode data publish interval
+    MSG_ID_TD_OP_MODE_OVERRIDE_REQUEST = 0x8031,                                    ///< TD set operation mode request
 
     MSG_ID_FIRST_DD_TESTER_MESSAGE = 0xA000,                                        ///< First DD test message ID
     MSG_ID_DD_TESTER_LOGIN_REQUEST = MSG_ID_FIRST_DD_TESTER_MESSAGE,                ///< DD tester log-in
@@ -327,6 +328,10 @@
     REQUEST_REJECT_REASON_RO_ONLY_MODE_INVALID_PARAMETER = 45,                      ///< RO only mode invalid parameter
     REQUEST_REJECT_REASON_RO_ONLY_MODE_INVALID_PAYLOAD_LENGTH = 46,                 ///< RO only mode invalid payload length
     REQUEST_REJECT_REASON_TREATMENT_CANNOT_BE_RESUMED = 47,                         ///< Cannot resume treatment per alarm
+    REQUEST_REJECT_REASON_HEPARIN_STOP_TIME_EXCEEDS_DURATION = 48,                  ///< The Heparin stop time setting is greater than the treatment duration
+    REQUEST_REJECT_REASON_HEPARIN_STOP_TIME_WITH_NO_DISPENSE = 49,                  ///< Heparin settings are zero but stop time setting is non-zero
+    REQUEST_REJECT_REASON_HEPARIN_PAUSE_INVALID_IN_THIS_STATE = 50,                 ///< Heparin cannot be paused if not currently deliverying Heparin
+    REQUEST_REJECT_REASON_HEPARIN_NOT_PAUSED = 51,                                  ///< Heparin cannot be resumed if not paused
     NUM_OF_REQUEST_REJECT_REASONS                                                   ///< Number of settings change reject codes
 };
 typedef enum Request_Reject_Reasons REQUEST_REJECT_REASON_CODE_T;                   ///< Type for settings change rejection reason codes enumeration