Hetmyer has been ruled out of the side following illness prior to the start of the third Test.
If any of the three plead not guilty, then the ICC will appoint a Judicial Commissioner from its Code of Conduct Commission to determine the matter.
Chandimal will now miss the day/night Barbados Test, starting from Saturday, 23 June.
Virat Kohli remains at the second position while Steve Smith leads the list of top 10 batsmen.
All the stats and numbers that were recorded during the 2nd Test match between Windies and Sri Lanka.
Sri Lanka would be gutted with the weather not being in their favour
Chandimal has completely denied the charges hurled at him.
Video evidence will be used in the hearing, which will also be attended by the match officials as well as members of the Sri Lanka team management.
Sri Lankan team had refused to take the field following the action from the umpires on Saturday.
Lankans trail Windies score by 13 runs.