Index: MsgDefs.h
===================================================================
diff -u -r53251d55d2df12b97b6889dd17b9402b00aef59f -r55415b13e2bce0e050148e0bfa5bf0e3d5c01532
--- MsgDefs.h	(.../MsgDefs.h)	(revision 53251d55d2df12b97b6889dd17b9402b00aef59f)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 55415b13e2bce0e050148e0bfa5bf0e3d5c01532)
@@ -546,6 +546,7 @@
     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