St George Illawarra star Tyson Frizell will serve a one-match suspension after being found guilty at the NRL judiciary on Tuesday night of making contact with a referee.

Frizell was charged with grade-one contrary conduct - contact with match official, for touching referee Chris James in St George Illawarra's Friday night loss to Canterbury.

In trouble: Tyson Frizell touches referee Chris James on Friday night. Credit:FoxSports

The NSW State of Origin back-rower will miss Thursday night's round-22 opener against Brisbane at WIN Stadium.

The judiciary panel of Chris McKenna, Mal Cochrane and Sean Garlick took just five minutes to reach their verdict after a hearing that lasted half an hour.