The second row was expected to be named in the U20s side to play France this weekend but has been withdrawn for the province's Pro12 game against Scarlets instead.
Munster academy out-half Bill Johnston is in for the first time since the Junior World Cup last summer, as one of 5 changes in Nigal Carolan's side.
Munster wing Calvin Nash Captains.
Meanwhile, a disciplinary panel has cleared Munster centre Francis Saili to play this weekend.
He had been cited for an alleged dangerous tackle in the Reds' win over the Ospreys.
But the panel have found that while it was a foul, it didn't merit a red card.
