Index: firmware/App/Controllers/BloodFlow.c
===================================================================
diff -u -re5d6674fbf4b6ddd8057385babac0a085ce18f42 -rfeb0cd09c472099121146674f89fe88c1445c4d0
--- firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision e5d6674fbf4b6ddd8057385babac0a085ce18f42)
+++ firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision feb0cd09c472099121146674f89fe88c1445c4d0)
@@ -964,6 +964,7 @@
     if ( ++bloodFlowDataPublicationTimerCounter >= getU32OverrideValue( &bloodFlowDataPublishInterval ) )
     {
         BLOOD_PUMP_STATUS_PAYLOAD_T payload;
+        HD_OP_MODE_T opMode = getCurrentOperationMode();
 
         payload.setPoint = targetBloodFlowRate;
         payload.measFlow = getMeasuredBloodFlowRate();
@@ -973,6 +974,14 @@
         payload.measMCCurr = getMeasuredBloodPumpMCCurrent();
         payload.pwmDC = bloodPumpPWMDutyCyclePctSet * FRACTION_TO_PERCENT_FACTOR;
         payload.rotorCount = getBloodPumpRotorCount();
+        if ( ( MODE_PRET == opMode ) || ( MODE_TREA == opMode ) || ( MODE_POST == opMode ) )
+        {   // prescribed flow only available in treatment modes
+            payload.presFlow = getTreatmentParameterS32( TREATMENT_PARAM_BLOOD_FLOW );
+        }
+        else
+        {
+            payload.presFlow = 0.0F;
+        }
         broadcastData( MSG_ID_BLOOD_FLOW_DATA, COMM_BUFFER_OUT_CAN_HD_BROADCAST, (U08*)&payload, sizeof( BLOOD_PUMP_STATUS_PAYLOAD_T ) );
         bloodFlowDataPublicationTimerCounter = 0;
     }