Adding the synthetic flag to IPC organs.

code/modules/surgery/organs/eyes.dm

@@ -428,6 +428,7 @@
 /obj/item/organ/eyes/ipc
 	name = "ipc eyes"
 	icon_state = "cybernetic_eyeballs"
+	organ_flags = ORGAN_SYNTHETIC // GS13 = Fixes IPC organs decaying, we hope.
 
 /obj/item/organ/eyes/ipc/emp_act(severity)
 	. = ..()

code/modules/surgery/organs/heart.dm

@@ -263,6 +263,7 @@
 	name = "IPC heart"
 	desc = "An electronic pump that regulates hydraulic functions, the electronics have EMP shielding."
 	icon_state = "heart-c"
+	organ_flags = ORGAN_SYNTHETIC // GS13 = Fixes IPC organs decaying, we hope.
 
 /obj/item/organ/heart/freedom
 	name = "heart of freedom"

code/modules/surgery/organs/liver.dm

@@ -96,6 +96,7 @@
 /obj/item/organ/liver/ipc
 	name = "reagent processing liver"
 	icon_state = "liver-c"
+	organ_flags = ORGAN_SYNTHETIC // GS13 = Fixes IPC organs decaying, we hope.
 
 /obj/item/organ/liver/cybernetic
 	name = "basic cybernetic liver"

code/modules/surgery/organs/stomach.dm

@@ -130,6 +130,7 @@
 /obj/item/organ/stomach/ipc
 	name = "ipc cell"
 	icon_state = "stomach-ipc"
+	organ_flags = ORGAN_SYNTHETIC // GS13 = Fixes IPC organs decaying, we hope.
 
 /obj/item/organ/stomach/ipc/on_life()
 	. = ..()