Update spine_coder/spine_coder_core.py

spine_coder/spine_coder_core.py

@@ -404,11 +404,11 @@ def suggest_with_cpt_billing(note: str, payer: str = "Medicare", top_k: int = 10
     flags_list = [k for k, v in flags_map.items() if v]
 
     # ---------- Case-level laterality (meta) ----------
-    # 'Bilateral' should indicate both sides procedurally, NOT just bilateral implants/instrumentation.
+    # 'Bilateral' should indicate procedure performed on both sides, not just bilateral instrumentation.
     bilateral_procedure_pat = (
         r"\bboth sides\b"
         r"|"
-        r"\bbilateral\b(?!\s*(pedicle|screw|screws|rod|rods|instrumentation|hardware))"
+        r"\bbilateral\b(?!\s*(pedicle|screw|screws|rod|rods|instrument|instrumentation|hardware|construct))"
     )
 
     case_laterality = "na"
@@ -420,6 +420,8 @@ def suggest_with_cpt_billing(note: str, payer: str = "Medicare", top_k: int = 10
         case_laterality = "bilateral"
 
 
+
+
     return {
         "payer": payer,
         "region": region,