Index: firmware/App/Modes/ModePreTreat.c
===================================================================
diff -u -r03e019a69e1d0e45a95b77711270a3b1781e693d -r4b9b19de74301d92a2bc42efff445330c48cf38d
--- firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 03e019a69e1d0e45a95b77711270a3b1781e693d)
+++ firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 4b9b19de74301d92a2bc42efff445330c48cf38d)
@@ -33,6 +33,7 @@
 
 static TD_PRE_TREATMENT_MODE_STATE_T currentPreTreatmentState;              ///< Current Pre-Treatment sub-state
 static BOOL goToInstallStateRequested;                                      ///< Flag indicating a request to transition to Install state.
+static BOOL continueFromRecirculateRequested;                               ///< Flag indicating a request to transition to Patient Connection state.
 
 // ********** private function prototypes **********
 
@@ -60,6 +61,7 @@
     initTreatmentParameters();
     currentPreTreatmentState  = TD_PRE_TREATMENT_TUBING_SET_INSTALL_STATE;
     goToInstallStateRequested = FALSE;
+    continueFromRecirculateRequested = FALSE;
 }
 
 /*********************************************************************//**
@@ -270,8 +272,8 @@
  * @brief
  * The handleRecirculateState function executes the Recirculate state of
  * pre-treatment mode.
- * @details \b Inputs: none.
- * @details \b Outputs: none.
+ * @details \b Inputs: continueFromRecirculateRequested.
+ * @details \b Outputs: continueFromRecirculateRequested.
  * @return next Pre-Treatment mode state.
  *************************************************************************/
 static TD_PRE_TREATMENT_MODE_STATE_T handleRecirculateState( void )
@@ -280,14 +282,20 @@
 
     execPreTxRecirculate();
 
+    if ( TRUE == continueFromRecirculateRequested )
+    {
+        continueFromRecirculateRequested = FALSE;
+        state = TD_PRE_TREATMENT_PATIENT_CONNECTION_STATE;
+    }
+
     return state;
 }
 
 /*********************************************************************//**
  * @brief
  * The handleRxState function executes the Confirm Rx pre-treatment step.
  * @details \b Inputs: none
- * @details \b Outputs: Requests transition to Treatment mode when the prescription
+ * @details \b Outputs: Requests transition to the next Pre-Treatment state when the prescription
  * is valid and confirmed otherwise remains in Confirm Rx.
  * @return next Pre-Treatment mode state.
  *************************************************************************/
@@ -303,7 +311,7 @@
     TD_PRE_TREATMENT_MODE_STATE_T state    = TD_PRE_TREATMENT_CONFIRM_RX_STATE;
     DD_OP_MODE_T ddOpMode                  = getDDOpMode();
 
-    // Valid + confirmed – move to next state: Patient Connection
+    // Valid + confirmed – move to next state: Recirculate State
     if ( ( TRUE == paramsValid ) && ( TRUE == paramsConfirmed ) )
     {
         // TODO this command of requesting dialysate delivery will move to appropriate state in pre-treatment once implemented
@@ -319,15 +327,11 @@
                                        getTreatmentParameterU32( TREATMENT_PARAM_SODIUM ),
                                        getTreatmentParameterU32( TREATMENT_PARAM_BICARBONATE ) );
         }
-        // TODO: when additional Pre-Treatment states are implemented, change to TD_PRE_TREATMENT_PATIENT_CONNECTION_STATE.
-        // state = TD_PRE_TREATMENT_PATIENT_CONNECTION_STATE;
-        if ( ( ddOpMode == DD_MODE_GEND ) && ( TRUE == isDialysateGoodToDeliver ) )
-        {
-            requestNewOperationMode( MODE_TREA );
-        }
-    }
 
-    return state;
+        state = TD_PRE_TREATMENT_RECIRCULATE_STATE;
+   }
+
+   return state;
 }
 
 /*********************************************************************//**
@@ -364,6 +368,19 @@
 
 /*********************************************************************//**
  * @brief
+ * The PreTxRequestContinueFromRecirculate function signals a request to
+ * transition the Pre-Treatment mode state machine to Patient Connection state.
+ * @details \b Inputs: none
+ * @details \b Outputs: continueFromRecirculateRequested
+ * @return none
+ *************************************************************************/
+void PreTxRequestContinueFromRecirculate( void )
+{
+    continueFromRecirculateRequested = TRUE;
+}
+
+/*********************************************************************//**
+ * @brief
  * The signalAlarmActionToPreTreatmentMode function executes the given alarm action
  * as appropriate while in Pre-Treatment Mode.
  * @details \b Inputs: currentPreTreatmentState
Index: firmware/App/Modes/ModePreTreat.h
===================================================================
diff -u -r9cc543b1c2508280767573e20eddd94e68be1fb5 -r4b9b19de74301d92a2bc42efff445330c48cf38d
--- firmware/App/Modes/ModePreTreat.h	(.../ModePreTreat.h)	(revision 9cc543b1c2508280767573e20eddd94e68be1fb5)
+++ firmware/App/Modes/ModePreTreat.h	(.../ModePreTreat.h)	(revision 4b9b19de74301d92a2bc42efff445330c48cf38d)
@@ -38,6 +38,7 @@
 void signalAlarmActionToPreTreatmentMode( ALARM_ACTION_T action );  // Execute alarm action as appropriate for pre-treatment mode
 
 void PreTxRequestTubeSetInstall( void );                            // Request Pre-Treatment mode to transition to Install state.
+void PreTxRequestContinueFromRecirculate( void );                 // Request Pre-Treatment mode to transition to Patient Connection state.
 
 /**@}*/
 
Index: firmware/App/Modes/StatePreTxRecirculate.c
===================================================================
diff -u -r2df4b8aede603cf05cd54a319d85b4fb60611487 -r4b9b19de74301d92a2bc42efff445330c48cf38d
--- firmware/App/Modes/StatePreTxRecirculate.c	(.../StatePreTxRecirculate.c)	(revision 2df4b8aede603cf05cd54a319d85b4fb60611487)
+++ firmware/App/Modes/StatePreTxRecirculate.c	(.../StatePreTxRecirculate.c)	(revision 4b9b19de74301d92a2bc42efff445330c48cf38d)
@@ -44,9 +44,9 @@
 /// Enumeration of Pre-Treatment Recirculation sub-states.
 typedef enum PreTxRecirculate_States
 {
-    PRE_TX_RECIRCULATE_STATE = 0,
-    PRE_TX_RECIRCULATE_STOPPED_STATE,
-    NUM_OF_PRE_TX_RECIRCULATE_STATES
+    PRE_TX_RECIRCULATE_STATE = 0,                              ///< Recirculation is active.
+    PRE_TX_RECIRCULATE_STOPPED_STATE,                          ///< Recirculation is stopped due to an alarm condition.
+    NUM_OF_PRE_TX_RECIRCULATE_STATES                           ///< Number of Pre-Treatment Recirculation sub-states.
 } PRE_TX_RECIRCULATE_STATE_T;
 
 // ********** private data **********