Index: firmware/App/Controllers/Ultrafiltration.c
===================================================================
diff -u -r94789b2f2324d5901685b6ff7b6224d4af3a0276 -r60e6185c2c5df195ccb6b603f30548779b4f05c4
--- firmware/App/Controllers/Ultrafiltration.c	(.../Ultrafiltration.c)	(revision 94789b2f2324d5901685b6ff7b6224d4af3a0276)
+++ firmware/App/Controllers/Ultrafiltration.c	(.../Ultrafiltration.c)	(revision 60e6185c2c5df195ccb6b603f30548779b4f05c4)
@@ -37,6 +37,7 @@
 #define COMP_SLOPE                          -0.000376F                                          ///< UF Temperature compensation slope factor
 #define COMP_INTERCEPT                      1.007269F                                           ///< UF temperature compensation intercept factor
 #define ZERO_RATE                           0.0F                                                ///< Zero value.
+#define UF_VOLUME_ML_PER_ML_MIN_PER_TASK    ( (F32)TASK_GENERAL_INTERVAL / ( (F32)MS_PER_SECOND * (F32)SEC_PER_MIN ) )
 
 // ********** private data **********
 
@@ -47,6 +48,7 @@
 static U32 ufDataPublicationTimerCounter;                                                       ///< Used to schedule ultrafiltration data publication to CAN bus.
 static BOOL isUFRateUpdated;                                                                    ///< flag indicating to update UF rate needed.
 static OVERRIDE_U32_T ufDataPublishInterval;                                                    ///< Ultrafiltration data publish interval.
+static F32 ufVolumeDeliveredMl;                                                                 ///< Accumulated UF volume delivered in mL.
 
 // ********** private function prototypes **********
 
@@ -75,6 +77,7 @@
     compUFrate                              = getTDUFRate();
     ufDataPublicationTimerCounter           = 0;
     isUFRateUpdated                         = FALSE;
+    ufVolumeDeliveredMl                     = 0.0F;
 }
 
 /*********************************************************************//**
@@ -122,6 +125,11 @@
     // Calculate UF volume and determine UF pause/run
     updateUFRequest();
 
+    if ( ( DD_UF_RUNNING == ufExecState ) && ( compUFrate > ZERO_RATE ) )
+    {
+        ufVolumeDeliveredMl += compUFrate * UF_VOLUME_ML_PER_ML_MIN_PER_TASK;
+    }
+
     // execute current ultrafiltration exec state
     switch ( ufExecState )
     {
@@ -230,6 +238,30 @@
 
 /*********************************************************************//**
  * @brief
+ * The resetUFVolumeDelivered function resets the accumulated UF volume.
+ * @details \b Inputs: none
+ * @details \b Outputs: ufVolumeDeliveredMl
+ * @return none
+ *************************************************************************/
+void resetUFVolumeDelivered( void )
+{
+    ufVolumeDeliveredMl = 0.0F;
+}
+
+/*********************************************************************//**
+ * @brief
+ * The getUFVolumeDeliveredLiters function returns accumulated UF volume.
+ * @details \b Inputs: ufVolumeDeliveredMl
+ * @details \b Outputs: none
+ * @return UF volume delivered in liters.
+ *************************************************************************/
+F32 getUFVolumeDeliveredLiters( void )
+{
+    return ufVolumeDeliveredMl / (F32)ML_PER_LITER;
+}
+
+/*********************************************************************//**
+ * @brief
  * The UpdateUFCompensation function updates the ultrafiltration rate
  * based on the dialysate temperature compensation.
  * @details \b Inputs: D4 and D50 temperature
@@ -304,6 +336,7 @@
         data.ufRate                     = getTDUFRate();
         data.compUFrate                 = compUFrate;
         data.isUFRequested              = (U32)isUltrafiltrationRequested;
+        data.ufVolumeDeliveredMl        = ufVolumeDeliveredMl;
 
         broadcastData( MSG_ID_DD_UF_DATA, COMM_BUFFER_OUT_CAN_DD_BROADCAST, (U08*)&data, sizeof( UF_DATA_T ) );