The South Americans sealed their passage to the last-16 stage of the World Cup, but it was not without controversy as the Liverpool forward appeared to bite his Italian counterpart on the shoulder.
FIFA have confirmed that they will investigate the incident, with Suarez facing a two-year international ban if found guilty of the offence.
"These things happen inside the penalty area," he told Channel 10 radio station. "We were chest against shoulder. I also immediately suffered a blow to the eye."
In 2013, the 27-year-old was slapped with a 10-game ban for biting Branislav Ivanovic, three years after he was banned for a similar incident when playing for Ajax.
Defender Diego Godin headed his nation into an 81st-minute lead as Tabarez's side booked their place in the second round.