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
  *  @{
  */