=SI(MIN(SI((B2:D2>="C00")*(B2:D2<="D48.9")>0,COLONNE(B2:D2)))=0,"",SI(ESTNA(RECHERCHEV(INDEX(B2:D2,1,MIN(SI((B2:D2>="C00")*(B2:D2<="D48.9")>0,COLONNE(B2:D2)))-COLONNE(B2:D2)+1),Diagnostic!$A$1:$A$10,1,0)),"",RECHERCHEV(INDEX(B2:D2,1,MIN(SI((B2:D2>="C00")*(B2:D2<="D48.9")>0,COLONNE(B2:D2)))-COLONNE(B2:D2)+1),Diagnostic!$A$1:$A$10,1,0)))