diff --git a/code/game/machinery/limbgrower.dm b/code/game/machinery/limbgrower.dm
index b9cc6078e5..88ab4ec6f8 100644
--- a/code/game/machinery/limbgrower.dm
+++ b/code/game/machinery/limbgrower.dm
@@ -29,6 +29,8 @@
 							"fly",
 							"insect",
 							"plasmaman",
+							"mammal",
+							"xeno",
 							"other"
 							)
 
diff --git a/code/modules/research/designs/limbgrower_designs.dm b/code/modules/research/designs/limbgrower_designs.dm
index b31235052d..dae59408c8 100644
--- a/code/modules/research/designs/limbgrower_designs.dm
+++ b/code/modules/research/designs/limbgrower_designs.dm
@@ -8,7 +8,7 @@
 	build_type = LIMBGROWER
 	reagents_list = list("synthflesh" = 25)
 	build_path = /obj/item/bodypart/l_arm
-	category = list("initial","human","lizard","fly","insect","plasmaman")
+	category = list("initial","human","lizard","fly","insect","plasmaman","mammal","xeno")
 
 /datum/design/rightarm
 	name = "Right Arm"
@@ -16,7 +16,7 @@
 	build_type = LIMBGROWER
 	reagents_list = list("synthflesh" = 25)
 	build_path = /obj/item/bodypart/r_arm
-	category = list("initial","human","lizard","fly","insect","plasmaman")
+	category = list("initial","human","lizard","fly","insect","plasmaman","mammal","xeno")
 
 /datum/design/leftleg
 	name = "Left Leg"
@@ -24,7 +24,7 @@
 	build_type = LIMBGROWER
 	reagents_list = list("synthflesh" = 25)
 	build_path = /obj/item/bodypart/l_leg
-	category = list("initial","human","lizard","fly","insect","plasmaman")
+	category = list("initial","human","lizard","fly","insect","plasmaman","mammal","xeno")
 
 /datum/design/rightleg
 	name = "Right Leg"
@@ -32,7 +32,7 @@
 	build_type = LIMBGROWER
 	reagents_list = list("synthflesh" = 25)
 	build_path = /obj/item/bodypart/r_leg
-	category = list("initial","human","lizard","fly","insect","plasmaman")
+	category = list("initial","human","lizard","fly","insect","plasmaman","mammal","xeno")
 
 /datum/design/armblade
 	name = "Arm Blade"