Index: MsgDefs.h
===================================================================
diff -u -rc25ce5b50dcb793a70ac0602fc947e1e5237fe5e -r1f836cd584c0c3a5190b95c3460021158d21dae2
--- MsgDefs.h	(.../MsgDefs.h)	(revision c25ce5b50dcb793a70ac0602fc947e1e5237fe5e)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 1f836cd584c0c3a5190b95c3460021158d21dae2)
@@ -8,8 +8,8 @@
 *
 * @file    MsgDefs.h
 *
-* @author  (last)      Varshini Nagabooshanam
-* @date    (last)      19-Jan-2026
+* @author  (last)      Michael Garthwaite
+* @date    (last)      27-Jan-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -180,6 +180,17 @@
     MSG_ID_TD_ADJUST_DISPOSABLES_REMOVAL_CONFIRM_RESPONSE = 0x95,                   ///< TD adjust disposables removal confirm response
     MSG_ID_FP_FILTER_FLUSH_DEF_DATA = 0x96,                                         ///< FP Filter Flush Defeatured broadcast data
     MSG_ID_TD_BLOOD_PRIME_PROGRESS_DATA = 0x97,                                     ///< TD broadcast of blood prime progress
+    MSG_ID_UI_BLOOD_PRIME_CMD_REQUEST = 0x98,                                       ///< UI blood prime command request
+    MSG_ID_TD_BLOOD_PRIME_CMD_RESPONSE = 0x99,                                      ///< TD blood prime command response
+    MSG_ID_TD_ISOLATED_UF_DATA = 0x9A,                                              ///< TD isolated UF data
+    MSG_ID_UI_ISOLATED_UF_DURATION_CHANGE_REQUEST = 0x9B,                           ///< UI isolated UF duration change request
+    MSG_ID_TD_ISOLATED_UF_DURATION_CHANGE_RESPONSE = 0x9C,                          ///< TD isolated UF duration change response
+    MSG_ID_UI_ISOLATED_UF_VOLUME_GOAL_CHANGE_REQUEST = 0x9D,                        ///< UI isolated UF volume goal change request
+    MSG_ID_TD_ISOLATED_UF_VOLUME_GOAL_CHANGE_RESPONSE = 0x9E,                       ///< TD isolated UF volume goal change response
+    MSG_ID_UI_ISOLATED_UF_CONFIRM_REQUEST = 0x9F,                                   ///< UI isolated UF confirm request
+    MSG_ID_TD_ISOLATED_UF_CONFIRM_RESPONSE = 0xA0,                                  ///< TD isolated UF confirm response
+    MSG_ID_UI_ADJUST_START_TREATMENT_REQUEST = 0xA1,                                ///< UI adjust start treatment request
+    MSG_ID_TD_ADJUST_START_TREATMENT_RESPONSE = 0xA2,                               ///< TD adjust start treatment response
 
     // service/test CAN messages
     MSG_ID_FIRST_TD_TESTER_MESSAGE = 0x8000,                                        ///< First TD test message ID
@@ -342,6 +353,7 @@
     MSG_ID_DD_RINSE_PUMP_DATA_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0xA053,           ///< DD rinse pump broadcast data override request
     MSG_ID_DD_RINSE_PUMP_PWM_PERCENT_OVERRIDE_REQUEST = 0xA054,                     ///< DD rinse pump PWM percent override request
     MSG_ID_DD_RINSE_PUMP_TURN_ON_OFF_REQUEST = 0xA055,                              ///< DD rinse pump turn on/off request
+    MSG_ID_DD_SET_CONDUCTIVITY_MODEL_REQUEST = 0xA056,                              ///< DD set conductivity model to conductivity sensors ( also applies to FP conductivity sensors )
 
     MSG_ID_FIRST_FP_TESTER_MESSAGE = 0xB000,                                        ///< First FP test message ID
     MSG_ID_FP_TESTER_LOGIN_REQUEST = MSG_ID_FIRST_FP_TESTER_MESSAGE,                ///< FP tester log-in