Both players sustained the injuries while playing in the French Top 14 Final for Montpellier against Castre last weekend.
The pair are not scheduled to join the camp before midweek after playing in the French Top 14 final on Saturday where Montpellier were upset 29-13 by Castres.
When Pierre Spies fell ill ahead of the 2007 Rugby World Cup, Bismarck du Plessis was eventually drafted into the squad. He talks about how it all happened.
Bismarck will leave the team after 11 years, having made his debut with them in 2005.
The loss of Lambie will come as major blow as they have already lost the services of other key players.
Du Plessis, who is likely to be part of the Springbok squad at the World Cup, was sent off.
In the statement released by the Sharks, Bismarck du Plessis apologised for his behaviour.
French referee Romain Poite was stood down last year for cards issued against Bismarck du Plessis.
Bismarck du Plessis says he'll be humbled to lead the Boks for incoming Test series in June.
Jake White has named Bismarck du Plessis as Sharks captain, replacing Keegan Daniel.
If found guilty Bismarck will miss the Currie Cup final against Western Province.
Coach Heyneke Meyer made two changes to the side that lost to the All Blacks in Auckland.
IRB issued a statement on Sunday saying Romain Poite had incorrectly issued the yellow card.
Bismarck du Plessis was sent off during the Rugby Championship match between the Boks and All Blacks.
The IRB confirmed that it was incorrect for Poite to issue a yellow card to du Plessis.
The match saw the Springboks play most of the second half with just 14 men.
Heyneke Meyer has recalled Bulls fullback Zane Kirchner.
Bismarck du Plessis is expected to start ahead of Adriaan Strauss in Saturday’s match.
