Index: HDDefs.h
===================================================================
diff -u -rf4af0f3bb68718600877e58fe0eecd20f76b4ac4 -r19eca1805bee801e91bff1e2a091b6f86e2e3fab
--- HDDefs.h	(.../HDDefs.h)	(revision f4af0f3bb68718600877e58fe0eecd20f76b4ac4)
+++ HDDefs.h	(.../HDDefs.h)	(revision 19eca1805bee801e91bff1e2a091b6f86e2e3fab)
@@ -593,8 +593,10 @@
 /// Enumeration of treatment re-circulation sub-mode states.
 enum Treatment_Recirc_States
 {
-    TREATMENT_RECIRC_RECIRC_STATE = 0,                                  ///< Re-circulate Dialysate state of the treatment re-circulate sub-mode state machine
+    TREATMENT_RECIRC_DISCONNECT_PATIENT_STATE = 0,                      ///< Disconnect patient state of the treatment re-circulate sub-mode state machine
+    TREATMENT_RECIRC_RECIRC_STATE,                                      ///< Re-circulate Dialysate state of the treatment re-circulate sub-mode state machine
     TREATMENT_RECIRC_STOPPED_STATE,                                     ///< Stopped state of the treatment re-circulate sub-mode state machine
+    TREATMENT_RECIRC_RECONNECT_PATIENT_STATE,                           ///< Reconnect patient state of the treatment re-circulate sub-mode state machine
     NUM_OF_TREATMENT_RECIRC_STATES                                      ///< Number of treatment re-circulate sub-mode states
 };
 /// Type for treatment re-circulation states enumeration.
@@ -607,6 +609,7 @@
     REQUESTED_USER_ACTION_TX_RECIRC_CONFIRM_RECONNECT = 1,              ///< User confirms patient connected, lines un-shunted to return to treatment
     REQUESTED_USER_ACTION_TX_RECIRC_RESUME_RC = 2,                      ///< User requests to resume re-circulation
     REQUESTED_USER_ACTION_TX_RECIRC_END_TREATMENT = 3,                  ///< User requests to end treatment
+    REQUESTED_USER_ACTION_TX_RECIRC_CONFIRM_DISCONNECT = 4,             ///< User confirms patient disconnected, lines shunted to begin re-circulation
     NUM_OF_REQUESTED_TX_RECIRC_USER_ACTIONS                             ///< Number of requested treatment re-circ user actions
 };
 /// Type for requested user actions enumeration.