Index: firmware/App/Controllers/BloodFlow.c
===================================================================
diff -u -r22c6e77d77763c5b34b5dd8c3fcd45cb8c16324c -r709def41bcde8e2e59d83c5e9c5a06ab0ee74ec8
--- firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision 22c6e77d77763c5b34b5dd8c3fcd45cb8c16324c)
+++ firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision 709def41bcde8e2e59d83c5e9c5a06ab0ee74ec8)
@@ -8,7 +8,7 @@
 * @file    BloodFlow.c
 *
 * @author  (last)      Sean Nash
-* @date    (last)      07-Feb-2023
+* @date    (last)      08-Mar-2023
 *
 * @author  (original)  Sean Nash
 * @date    (original)  07-Nov-2019
@@ -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 = getTreatmentParameterU32( TREATMENT_PARAM_BLOOD_FLOW );
+        }
+        else
+        {
+            payload.presFlow = 0;
+        }
         broadcastData( MSG_ID_BLOOD_FLOW_DATA, COMM_BUFFER_OUT_CAN_HD_BROADCAST, (U08*)&payload, sizeof( BLOOD_PUMP_STATUS_PAYLOAD_T ) );
         bloodFlowDataPublicationTimerCounter = 0;
     }