Update spine_coder/spine_coder_core.py

spine_coder/spine_coder_core.py

@@ -99,6 +99,12 @@ def suggest_with_cpt_billing(note: str, payer: str = "Medicare", top_k: int = 10
     elif any(l.startswith("T") for l in levels) or _has(t, r"\bthorac"): region = "thoracic"
     elif any(l.startswith(("L","S")) for l in levels) or _has(t, r"\blumbar|sacrum"): region = "lumbar"
 
+    # Transitional zone override: C7 + T1–T3 → cervicothoracic
+    has_c7 = any(l.upper() == "C7" for l in levels) or _has(t, r"\bc7\b")
+    has_t1_3 = any(l.upper() in {"T1","T2","T3"} for l in levels) or _has(t, r"\bt[1-3]\b")
+    if has_c7 and has_t1_3:
+        region = "cervicothoracic"
+
     # Helper flags
     mentions_plate_ant = _has(t, r"\b(anterior (plate|instrument(ation)?)|plate fixed|plating)\b") or _has(t, r"\bplate\b")
     mentions_pedicle   = _has(t, r"\bpedicle screw|pedicle-screw|pedicle fixation|s2ai\b")
@@ -388,6 +394,30 @@ def suggest_with_cpt_billing(note: str, payer: str = "Medicare", top_k: int = 10
     out.sort(key=lambda r: (not r.get("primary", False), -(r.get("score", r.get("confidence",0.0))), _cpt_num(r)))
     if isinstance(top_k, int) and top_k > 0: out = out[:top_k]
 
+    # ---------- Tech flags (microscope / navigation / neuromonitoring / fluoro) ----------
+    flags_map = {
+        "microscope": _has(t, r"\bmicroscope\b|microdissection"),
+        "nav": _has(t, r"\bnavigation\b|o-?arm|stealth|mazor|7d|image[- ]?guided"),
+        "io_monitor": _has(t, r"\bneuromonitor\w*|ssep|tcem|tcme|emg\b|\bintra[- ]?op(erative)? monitoring\b"),
+        "fluoro": _has(t, r"\bfluoro\w*|c[- ]?arm\b|fluoroscop\w*"),
+    }
+    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_procedure_pat = (
+        r"\bboth sides\b"
+        r"|"
+        r"\bbilateral\b(?!\s*(pedicle|screw|screws|rod|rods|instrumentation|hardware))"
+    )
+    case_laterality = "na"
+    if _has(t, bilateral_procedure_pat):
+        case_laterality = "bilateral"
+    elif _has(t, r"\bleft[- ]sided|\bleft\b"):
+        case_laterality = "left"
+    elif _has(t, r"\bright[- ]sided|\bright\b"):
+        case_laterality = "right"
+
     return {
         "payer": payer,
         "region": region,
@@ -395,5 +425,10 @@ def suggest_with_cpt_billing(note: str, payer: str = "Medicare", top_k: int = 10
         "interspaces_est": inters,
         "span_segments_est": span,
         "suggestions": out,
-        "case_modifiers": case_modifiers
+        "case_modifiers": case_modifiers,
+        "flags": flags_list,
+        "flags_map": flags_map,
+        "laterality": case_laterality,
+        "build": "FINAL-v2.0",
+        "mode": "standard",
     }