diff --git a/apps/Backend/src/ai/cdt-lookup.ts b/apps/Backend/src/ai/cdt-lookup.ts
index e86e01d5..a10f64ac 100644
--- a/apps/Backend/src/ai/cdt-lookup.ts
+++ b/apps/Backend/src/ai/cdt-lookup.ts
@@ -44,6 +44,8 @@ const ALIAS_MAP: Record<string, string> = {
   // Exams
   "perio exam":            "periodic oral evaluation",
   "periodic exam":         "periodic oral evaluation",
+  "period exam":           "periodic oral evaluation",
+  "poe":                   "periodic oral evaluation",
   "recall exam":           "periodic oral evaluation",
   "comp exam":             "comprehensive oral evaluation",
   "comprehensive exam":    "comprehensive oral evaluation",
@@ -150,6 +152,8 @@ const ALIAS_MAP: Record<string, string> = {
 // or short abbreviations that need precise mapping (checked before keyword search)
 const DIRECT_CODE_MAP: Record<string, string> = {
   // Exams
+  "poe":                    "D0120",
+  "period exam":            "D0120",
   "limited exam":           "D0140",
   "emergency exam":         "D0140",
   // X-rays