Tomas Lavanini has received a five-week ban for his illegal clean-out of prop Cian Healy during Argentina's 53-7 defeat to Ireland in Dublin last month.
Andy Farrell makes four changes to his Ireland XV to take on Argentina as Conor Murray, Joey Carbery, Robbie Henshaw and Robert Baloucoune start.
Ireland's Johnny Sexton has been ruled out for up to six weeks after being forced off injured during Saturday's 29-20 win over New Zealand.
Ireland say the "potential case" of coronavirus in their squad ahead of Saturday's Test against New Zealand has been confirmed as a false positive.
Ireland's Andy Farrell has made one change to his starting XV to take on the All Blacks, as Ulster lock Iain Henderson comes in to start.
Johnny Sexton will pick up his 100th Test cap for Ireland vs Japan, while Jamison Gibson-Park and James Lowe are both picked to start.
Johnny Sexton will make a decision on whether to play in the next Rugby World Cup after the 2022 Six Nations.
Uncapped Connacht wing Mack Hansen will train with Ireland's squad this week ahead of Saturday's autumn international against Japan in Dublin.
The Irish government has confirmed that stadia will be allowed to return to full capacity from this Friday, October 22.