Sissons was given a match penalty, triggering an automatic review. Not having Sissons would have been a blow to Nashville's depth at forward with center Ryan Johansen and left wing Kevin Fiala out injured.
The league announced its decision on Twitter on Friday.
Having completed its automatic review of an incident in Game 5, D.O.P.S. has decided that Colton Sissons will not be suspended for Game 6.— NHL Player Safety (@NHLPlayerSafety) June 9, 2017
Sissons' penalty was one of 14 given to the Predators, with 10 handed out to Pittsburgh for a total of 100 penalty minutes.
Game 6 is Sunday night in Nashville. Pittsburgh leads the best-of-seven series 3-2.