diff --git a/app/routes/queries.py b/app/routes/queries.py
index b06716c..d2992ec 100644
--- a/app/routes/queries.py
+++ b/app/routes/queries.py
@@ -48,6 +48,7 @@ WHERE p.DOCIDENT = :doc_num""",
     r.HORAINICIORECEPCION,
     r.VALORTOTAL,
     rel.COD_EXAMEN,
+    COALESCE(NULLIF(TRIM(ex.NUM_ISS), ''), TRIM(rel.COD_EXAMEN)) AS CUPS,
     rel.PRECIO,
     rel.FECHA_REPORTADO,
     m.COD_ESPECIALIDAD,
@@ -56,6 +57,7 @@ WHERE p.DOCIDENT = :doc_num""",
     TRIM(m.DOCIDMEDICO) AS DOCIDMEDICO
 FROM RECEPCION r
 JOIN RELACION rel ON rel.IDRECEPCION = r.IDRECEPCION
+LEFT JOIN EXAMEN ex ON TRIM(ex.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.NUM_FACTURA = :num_factura""",
@@ -79,6 +81,7 @@ WHERE r.NUM_FACTURA = :num_factura""",
     r.HORAINICIORECEPCION,
     r.VALORTOTAL,
     rel.COD_EXAMEN,
+    COALESCE(NULLIF(TRIM(ex.NUM_ISS), ''), TRIM(rel.COD_EXAMEN)) AS CUPS,
     rel.PRECIO,
     rel.FECHA_REPORTADO,
     m.COD_ESPECIALIDAD,
@@ -87,6 +90,7 @@ WHERE r.NUM_FACTURA = :num_factura""",
     TRIM(m.DOCIDMEDICO) AS DOCIDMEDICO
 FROM RECEPCION r
 JOIN RELACION rel ON rel.IDRECEPCION = r.IDRECEPCION
+LEFT JOIN EXAMEN ex ON TRIM(ex.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