diff --git a/apps/Frontend/src/utils/procedureCombos.ts b/apps/Frontend/src/utils/procedureCombos.ts
index fdbf9e6..0385fc8 100755
--- a/apps/Frontend/src/utils/procedureCombos.ts
+++ b/apps/Frontend/src/utils/procedureCombos.ts
@@ -239,6 +239,11 @@ export const PROCEDURE_COMBOS: Record<
     label: "Post/Core",
     codes: ["D2954"],
   },
+  coreBU: {
+    id: "coreBU",
+    label: "Core BU",
+    codes: ["D2950"],
+  },
 
   // Prostho / Perio / Oral Surgery
   crown: {
@@ -329,7 +334,7 @@ export const COMBO_CATEGORIES: Record<
     "plResin",
     "plCast",
   ],
-  Endodontics: ["rctAnterior", "rctPremolar", "rctMolar", "postCore"],
+  Endodontics: ["rctAnterior", "rctPremolar", "rctMolar", "postCore", "coreBU"],
   Prosthodontics: ["crown"],
   Periodontics: ["deepCleaning"],
   Extractions: [