Index: MsgDefs.h
===================================================================
diff -u -r6751dadaa4345ce3627f8cfbf90b933a822f516c -r1e295945c306b8f3f8e638d805610e35f0d30d66
--- MsgDefs.h	(.../MsgDefs.h)	(revision 6751dadaa4345ce3627f8cfbf90b933a822f516c)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 1e295945c306b8f3f8e638d805610e35f0d30d66)
@@ -8,8 +8,8 @@
 *
 * @file    MsgDefs.h
 *
-* @author  (last)      Michael Garthwaite
-* @date    (last)      07-Feb-2023
+* @author  (last)      Sean Nash
+* @date    (last)      24-Feb-2023
 *
 * @author  (original)  Sean
 * @date    (original)  27-Feb-2020
@@ -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