The backrow picked up a hamstring problem in last weekend's victory over Scarlets.
Leinster say Josh van der Flier's availability for Saturday's URC semi-final against Glasgow is still to be confirmed.
The backrow picked up a hamstring problem in last weekend's victory over Scarlets and will be assessed later in the week.
Garry Ringrose and Tommy O'Brien will also be given time to prove their fitness.
Jordan Larmour is available for selection having returned to training.
It has been confirmed that Croke Park will host the BTK URC Grand Final on 14 June if Leinster beat Glasgow Warriors.
Kildare Senior Hurling And Football Teams Named For Saturday's Games
Former Dublin Footballer Philly McMahon Named Naas Senior Football Manager
O'Brien And Prendergast Start For Leinster As Osborne Drops To The Bench
Republic of Ireland Senior Women's Team Move Up To 25th In FIFA World Rankings
Gallop Closed, Dogs Chasing Horses, Trainers Furious – Tensions Mount Over Curragh Encampment
Hallgrimsson Unhappy Following Ireland's Draw With Luxembourg
McIlroy & Lowry Paired Together For The First Two Rounds At The US Open
Formula 1 Confirms 24-Race Schedule For 2026
