The 38-year-old, who played nine one-dayers and two Twenty20 internationals for Sri Lanka, has been charged with three counts of breaching the anti-corruption code of the Emirates Cricket Board (ECB), the global governing body said.
"Mr Lokuhettige has been provisionally suspended with immediate effect," the ICC said in a statement.
Lokuhettige had 14 days to respond to the charges, it added.
The charges against the bowling all-rounder include being party to an effort to fix the result or progress of a match, and directly soliciting, inducing, enticing or encouraging a player to do the same.
Sri Lanka Cricket (SLC) has been grappling with a series of corruption cases and Lokuhettige is the latest name to be added to the list of those involved.
Former paceman and bowling coach Nuwan Zoysa was provisionally suspended on Oct. 31 after being charged by the ICC with match-fixing.
Sri Lanka Cricket (SLC) promptly sent Zoysa on "compulsory leave".
Former captain Sanath Jayasuriya was last month charged with two counts of breaching the ICC's anti-corruption code He denied any wrongdoing.
Also in October, SLC's chief financial officer Wimal Nandika Dissanayake was remanded in custody for suspected financial misappropriation linked with awarding telecast rights to Sony TV.
The T10 league was launched last year and the 2018 edition will be contested by eight teams from Nov. 21-Dec. 2. (Reporting by Amlan Chakraborty in New Delhi; Editing by John O'Brien)
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