Index: AlarmDefs.h
===================================================================
diff -u -r6efdeec69882f8fdb1511f388e7143bc80952f3b -r0657fa8a775807ba204aa05b2df0ebe4cf54b154
--- AlarmDefs.h	(.../AlarmDefs.h)	(revision 6efdeec69882f8fdb1511f388e7143bc80952f3b)
+++ AlarmDefs.h	(.../AlarmDefs.h)	(revision 0657fa8a775807ba204aa05b2df0ebe4cf54b154)
@@ -169,6 +169,7 @@
     ALARM_ID_RINSEBACK_VOLUME_CHECK_FAILURE = 131,                  ///< HD rinseback volume check failure
     ALARM_ID_NO_CARTRIDGE_LOADED = 132,                             ///< HD no cartridge loaded alarm
     ALARM_ID_END_TREATMENT_TIMEOUT_ALARM = 133,                     ///< HD end treatment sub-mode timeout alarm
+    ALARM_ID_BLOOD_PRIME_VOLUME_CHECK_FAILURE = 134,                ///< HD blood prime volume check failure
     NUM_OF_ALARM_IDS                                                ///< Total number of alarms
 };
 typedef enum Alarm_List ALARM_ID_T;                                 ///< Type for alarm list enumeration
@@ -402,6 +403,7 @@
     { ALARM_PRIORITY_MEDIUM,   3,   ALM_ESC_4_MIN,  ALARM_ID_BLOOD_SITTING_WARNING,               FALSE, TRUE , TRUE , FALSE, FALSE, FALSE, FALSE, FALSE, FALSE }, // ALARM_ID_RINSEBACK_VOLUME_CHECK_FAILURE
     { ALARM_PRIORITY_LOW,      4,   0,              ALARM_ID_NO_ALARM,                            FALSE, TRUE , FALSE, FALSE, TRUE , TRUE , TRUE , FALSE, FALSE }, // ALARM_ID_NO_CARTRIDGE_LOADED
     { ALARM_PRIORITY_MEDIUM,   3,   ALM_ESC_4_MIN,  ALARM_ID_BLOOD_SITTING_WARNING,               FALSE, TRUE , TRUE , FALSE, FALSE, FALSE, FALSE, FALSE, FALSE }, // ALARM_ID_END_TREATMENT_TIMEOUT_ALARM
+    { ALARM_PRIORITY_MEDIUM,   3,   ALM_ESC_4_MIN,  ALARM_ID_BLOOD_SITTING_WARNING,               FALSE, TRUE , TRUE , FALSE, FALSE, FALSE, FALSE, FALSE, FALSE }, // ALARM_ID_BLOOD_PRIME_VOLUME_CHECK_FAILURE
     // Priority              Rank  Escalate In      Escalate To                                   Fault  Stops  ClrIm  NoClr  NoRes  NoRin  NoEnd  NoNew  UsrAck
 };
 
Index: HDDefs.h
===================================================================
diff -u -r6efdeec69882f8fdb1511f388e7143bc80952f3b -r0657fa8a775807ba204aa05b2df0ebe4cf54b154
--- HDDefs.h	(.../HDDefs.h)	(revision 6efdeec69882f8fdb1511f388e7143bc80952f3b)
+++ HDDefs.h	(.../HDDefs.h)	(revision 0657fa8a775807ba204aa05b2df0ebe4cf54b154)
@@ -317,6 +317,24 @@
 /**@}*/
 
 /**
+ *  @addtogroup BloodPrime
+ *  @{
+ */
+
+/// Enumeration of blood prime sub-mode states.
+enum Blood_Prime_States
+{
+    BLOOD_PRIME_RAMP_STATE = 0,                                         ///< Ramp state of the blood prime sub-mode state machine
+    NUM_OF_BLOOD_PRIME_STATES                                           ///< Number of blood prime sub-mode states
+};
+/// Type for treatment end states enumeration.
+typedef enum Blood_Prime_States BLOOD_PRIME_STATE_T;
+
+/**@}*/
+
+/**@}*/
+
+/**
  *  @addtogroup Rinseback
  *  @{
  */
Index: MsgDefs.h
===================================================================
diff -u -r7c54b9e5c72171583dd081fe81288fa7a39dea1c -r0657fa8a775807ba204aa05b2df0ebe4cf54b154
--- MsgDefs.h	(.../MsgDefs.h)	(revision 7c54b9e5c72171583dd081fe81288fa7a39dea1c)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 0657fa8a775807ba204aa05b2df0ebe4cf54b154)
@@ -117,6 +117,7 @@
     MSG_ID_HD_RINSEBACK_PROGRESS = 0x56,                                ///< HD broadcast of rinseback progress
     MSG_ID_UI_TX_END_CMD = 0x57,                                        ///< UI end treatment sub-mode user request
     MSG_ID_HD_TX_END_CMD_RESPONSE = 0x58,                               ///< HD end treatment sub-mode user request response
+    MSG_ID_HD_BLOOD_PRIME_PROGRESS = 0x59,                              ///< HD broadcast of blood prime progress
 
 #ifdef EMC_TEST_BUILD
     MSG_ID_CAN_ERROR_COUNT = 0x999,  // test code in support of EMC testing