diff --git a/app/routes/automation.py b/app/routes/automation.py
index 3ede711..0cbc2fe 100644
--- a/app/routes/automation.py
+++ b/app/routes/automation.py
@@ -59,6 +59,7 @@ SELECT
     r.HORAINICIORECEPCION,
     r.VALORTOTAL,
     rel.COD_EXAMEN,
+    COALESCE(NULLIF(TRIM(it.CUPS_DETALLE), ''), TRIM(rel.COD_EXAMEN)) AS CUPS,
     rel.PRECIO,
     rel.DESCUENTO,
     rel.FECHA_REPORTADO,
@@ -68,6 +69,7 @@ SELECT
     TRIM(m.DOCIDMEDICO) AS DOCIDMEDICO
 FROM RECEPCION r
 JOIN RELACION rel ON rel.IDRECEPCION = r.IDRECEPCION
+LEFT JOIN ITEM it ON TRIM(it.CODIGO) = TRIM(rel.COD_EXAMEN)
 LEFT JOIN MEDICO m ON m.CODIGO = r.COD_MEDICO
 LEFT JOIN EMPRESA e ON e.NIT = r.NIT_EMPRESA
 WHERE r.FECHA_RECEPCION BETWEEN :fecha_ini AND :fecha_fin
diff --git a/app/routes/test_rda.py b/app/routes/test_rda.py
index 0523226..078e08c 100644
--- a/app/routes/test_rda.py
+++ b/app/routes/test_rda.py
@@ -20,13 +20,16 @@ _SQL_RDA_BY_WHERE = """
 SELECT
     r.IDRECEPCION, r.PREFIJO, r.NUM_FACTURA, r.FECHA_RECEPCION, r.COD_PACIENTE,
     r.NIT_EMPRESA, r.DIAG_PPAL, r.TIPOUSU, r.TIPOUSUSISPRO, r.AUTORIZACION, r.CLASEPROC,
-    r.HORAINICIORECEPCION, r.VALORTOTAL, rel.COD_EXAMEN, rel.PRECIO, rel.DESCUENTO, rel.FECHA_REPORTADO,
+    r.HORAINICIORECEPCION, r.VALORTOTAL, rel.COD_EXAMEN,
+    COALESCE(NULLIF(TRIM(it.CUPS_DETALLE), ''), TRIM(rel.COD_EXAMEN)) AS CUPS,
+    rel.PRECIO, rel.DESCUENTO, rel.FECHA_REPORTADO,
     m.COD_ESPECIALIDAD,
     COALESCE(NULLIF(TRIM(m.CODIGO), ''), NULLIF(TRIM(r.USUARIO), ''), '') AS profesional,
     e.CODCONTRATO,
     TRIM(m.DOCIDMEDICO) AS DOCIDMEDICO
 FROM RECEPCION r
 JOIN RELACION rel ON rel.IDRECEPCION = r.IDRECEPCION
+LEFT JOIN ITEM it ON TRIM(it.CODIGO) = TRIM(rel.COD_EXAMEN)
 LEFT JOIN MEDICO m ON m.CODIGO = r.COD_MEDICO
 LEFT JOIN EMPRESA e ON e.NIT = r.NIT_EMPRESA
 WHERE {where}
diff --git a/app/services/json_generator.py b/app/services/json_generator.py
index 6156263..6a068f9 100644
--- a/app/services/json_generator.py
+++ b/app/services/json_generator.py
@@ -149,7 +149,7 @@ def generar_rda_paciente(rows: list, default_profesional: str = "", default_espe
         _doc = str(row.get("DOCIDMEDICO") or "").strip()
         cedula_medico = _re.sub(r"[^0-9]", "", _doc)
         detalle_pedido.append({
-            "codigoMaterial": str(row.get("COD_EXAMEN") or "").strip(),
+            "codigoMaterial": str(row.get("CUPS") or row.get("COD_EXAMEN") or "").strip(),
             "codigoBodega": "00",
             "cantidad": 1,
             "tipoUnidad": "D",