Index: MsgDefs.h
===================================================================
diff -u -r277bd9cf72d1e525830e82c68235058c475c97d6 -r9cfa44714c633db34321a9251637c049b7bc37a9
--- MsgDefs.h	(.../MsgDefs.h)	(revision 277bd9cf72d1e525830e82c68235058c475c97d6)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 9cfa44714c633db34321a9251637c049b7bc37a9)
@@ -8,8 +8,8 @@
 *
 * @file    MsgDefs.h
 *
-* @author  (last)      Praneeth Bunne
-* @date    (last)      31-Jul-2026
+* @author  (last)      Vijay Pamula
+* @date    (last)      04-Aug-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -190,8 +190,8 @@
     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
+    MSG_ID_UI_START_TREATMENT_REQUEST = 0xA1,                                       ///< UI start treatment request
+    MSG_ID_TD_START_TREATMENT_RESPONSE = 0xA2,                                      ///< TD start treatment response
     MSG_ID_UI_WATER_SAMPLE_RESULT_REQUEST = 0xA3,                                   ///< UI water sample result request
     MSG_ID_UI_PRESSURE_LIMIT_WIDEN_REQUEST = 0xA4,                                  ///< UI pressure limit widen request.
     MSG_ID_TD_PRESSURE_LIMIT_WIDEN_RESPONSE = 0xA5,                                 ///< TD pressure limit widen response.
@@ -212,7 +212,7 @@
     MSG_ID_FFU_SIGNAL_DD_UPDATE_AVAILABLE = 0xB4,                                   ///< FFU signal DD update is available.
     MSG_ID_TD_UI_GENERIC_CONFIRMATION_REQUEST = 0xB5,                               ///< TD request for generic UI confirmation.
     MSG_ID_UI_GENERIC_CONFIRMATION_RESULT_RESPONSE = 0xB6,                          ///< UI generic confirmation result to TD.
-    MSG_ID_AVAILABLE_B7 = 0xB7,                                                     ///< Msg ID not used - available for use.
+    MSG_ID_TD_PRE_TREATMENT_STATES_DATA  = 0xB7,                                    ///< TD Pre-Treatment states broadcast data..
     MSG_ID_UI_VITALS_ADJUSTMENT_REQUEST = 0xB8,                                     ///< UI vitals adjustment request
     MSG_ID_TD_VITALS_ADJUSTMENT_RESPONSE  = 0xB9,                                   ///< TD vitals adjustment response
     MSG_ID_UI_SETUP_TUBING_SET_CONNECTIONS_CONFIRM_REQUEST = 0xD6,                  ///< UI setup connection confirmation request
Index: TDDefs.h
===================================================================
diff -u -rb9ea325321e67f1e4f12204c2a38135e76961806 -r9cfa44714c633db34321a9251637c049b7bc37a9
--- TDDefs.h	(.../TDDefs.h)	(revision b9ea325321e67f1e4f12204c2a38135e76961806)
+++ TDDefs.h	(.../TDDefs.h)	(revision 9cfa44714c633db34321a9251637c049b7bc37a9)
@@ -7,8 +7,8 @@
 *
 * @file    TDDefs.h
 *
-* @author  (last)      Praneeth Bunne
-* @date    (last)      31-Jul-2026
+* @author  (last)      Jashwant Gantyada
+* @date    (last)      05-Aug-2026
 *
 * @author  (original)  Sean Nash
 * @date    (original)  01-Aug-2024
@@ -444,6 +444,32 @@
 /**@}*/
 
 /**
+ *  @addtogroup StateTxIsolatedUF
+ *  @{
+ */
+
+/// Enumeration of isolated ultrafiltration states.
+enum Isolated_UF_States
+{
+    ISOALTED_UF_RUNNING_STATE = 0,                      ///< Isolated UF is running.
+    ISOLATED_UF_PAUSE_STATE,                            ///< Isolated UF is paused.
+    NUM_OF_ISOLATED_UF_STATES                           ///< Number of isolated UF states.
+};
+typedef enum Isolated_UF_States ISOLATED_UF_STATE_T;    ///< Type for isolated UF state enumeration.
+
+/// Enumeration of isolated ultrafiltration command IDs.
+enum ISO_UF_Commands
+{
+    ISO_UF_CMD_PAUSE = 0,                               ///< Pause isolated UF command.
+    ISO_UF_CMD_RESUME,                                  ///< Resume isolated UF command.
+    ISO_UF_CMD_END,                                     ///< End isolated UF command.
+    NUM_OF_ISO_UF_CMDS                                  ///< Number of isolated UF commands.
+};
+typedef enum ISO_UF_Commands ISO_UF_CMD_T;              ///< Type for isolated UF command IDs enumeration.
+
+/**@}*/
+
+/**
  *  @addtogroup SyringePump
  *  @{
  */