The IRFU have named a squad of 35 players for the remaining to Six Nations games, against Italy and Scotland.
Munster's Jack O'Donoghue has been added to the forwards panel and is one of two uncapped players in the squad - the other is Connacht's Finlay Bealham.
The 22-year-old back row has featured regularly for Munster this season.
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[/raw]8 Munster players included with a call up for @Jack_ODonoghue8 Congrats Jack! https://t.co/7FxqHHomay
— Munster Rugby (@Munsterrugby) March 7, 2016
Ireland have yet to register a win in the tournament, drawing with Wales in the opening game before losing to France and England.
Next up they welcome Italy to the Aviva Stadium on Saturday March 12.
Ireland Squad
Forwards (19)
Finlay Bealham (Corinthians/Connacht)*
Rory Best (Banbridge/Ulster) Captain
Sean Cronin (St. Mary's College/Leinster)
Ultan Dillane (Corinthians/Connacht)
David Foley (UL Bohemians/Munster)
Cian Healy (Clontarf/Leinster)
Jamie Heaslip (Dublin University/Leinster) Vice Captain
Jack McGrath (St Mary's College/Leinster)
Jordi Murphy (Lansdowne/Leinster)
Tommy O'Donnell (UL Bohemians/Munster)
Jack O'Donoghue (UL Bohemians/Munster)*
Mike Ross (Clontarf/Leinster)
Rhys Ruddock (St Mary's College/Leinster)
Donnacha Ryan (Shannon/Munster)
CJ Stander (Munster)
Richardt Strauss (Old Wesley/Leinster)
Devin Toner (Lansdowne/Leinster)
Josh van der Flier (UCD/Leinster)
Nathan White (Connacht)
Backs (16)
Keith Earls (Young Munster/Munster)
Craig Gilroy (Dungannon/Ulster)
Robbie Henshaw (Buccaneers/Connacht)
Patrick Jackson (Dungannon/Ulster)
Rob Kearney (UCD/Leinster)
Ian Madigan (Blackrock College/Leinster)
Kieran Marmion (Corinthians/Connacht)
Luke Marshall (Ballymena/Ulster)
Stuart McCloskey (Ballynahinch/Ulster)
Fergus McFadden (Old Belvedere/Leinster)
Conor Murray (Garryowen/Munster)
Jared Payne (Ulster)
Eoin Reddan (Old Crescent/Leinster)
Jonathan Sexton (St Mary's College/Leinster)
Andrew Trimble (Ballymena/Ulster)
Simon Zebo (Cork Constitution/Munster)