Index: MsgDefs.h
===================================================================
diff -u -r00a994bd6c814621838f6b1d63f7419469cc6c4f -r8326ee5f33a841d6d4b23a93b0796119f5eb6714
--- MsgDefs.h	(.../MsgDefs.h)	(revision 00a994bd6c814621838f6b1d63f7419469cc6c4f)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 8326ee5f33a841d6d4b23a93b0796119f5eb6714)
@@ -539,6 +539,7 @@
     REQUEST_REJECT_REASON_DG_CHEM_FLUSH_NOT_COMPLETED = 49,             ///< DG chemical flush is not complete
     REQUEST_REJECT_REASON_DG_RO_FILTER_TEMPERATURE_OUT_OF_RANGE = 50,   ///< DG RO filter temperature out of range
     REQUEST_REJECT_REASON_DG_INCOMPATIBLE = 51,                         ///< DG firmware version is not compatible with HD firmware
+    REQUEST_REJECT_REASON_HEPARIN_PRESTOP_WITH_NO_DISPENSE = 52,        ///< Heparin settings are zero but pre-stop setting is non-zero
     NUM_OF_REQUEST_REJECT_REASONS                                       ///< Number of settings change reject codes
 };
 typedef enum Request_Reject_Reasons REQUEST_REJECT_REASON_CODE_T;       ///< Type for settings change rejection reason codes enumeration