The Inter star scored for the Nerazzurri on Sunday as they completed a famous comeback to beat Lazio 3-2 and squeeze into the Champions League ahead of the Rome side.
But despite finishing the season as Serie A top scorer on 29 goals, Icardi has been overlooked by Argentina coach Jorge Sampaoli.
Argentina’s World Cup squad:
Goalkeepers:Romero, Caballero, Armani.
Defenders:Mercado, Ansaldi, Otamendi, Fazio, Rojo, Tagliafico, Mascherano, Acuna, Salvio.
Midfielders: Biglia, Banega, Lo Celso, Lanzini, Di Maria, Meza.
Forwards: Messi, Dybala, Aguero, Higuain, Pavon.