He was charged for an apparent elbow to the head of West Ham United's Diafra Sakho in the second half of Palace's 3-1 victory in the Premier League on Saturday.
The incident was not seen by the match officials but West Ham manager Sam Allardyce said Jedinak deserved to be sent off.
Palace, who are 12th in the table, visit sixth-placed Southampton later on Tuesday.
(Writing by Tony Jimenez, editing by Ed Osmond)
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