Chygrynskiy joins Barca injury list
The Ukraine centre-back joins Daniel Alves, Eric Abidal and versatile midfielder Yaya Toure on the injury list, the club said on their website on Wednesday.
Gerard Pique and Rafael Marquez are suspended for Sunday's La Liga game against Atletico.
Barca, who return to Champions League action away to VfB Stuttgart in the round of 16 on February 23, also said winger Jeffren Suarez had agreed a two-year contract extension until 2012.
The Venezuelan-born Jeffren, 22, is a product of the club's youth system. His buy-out clause was set at 10 million euros.