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MONTREAL -- The World Anti-Doping Agency revoked its accreditation for the Turkish doping laboratory that wrongly reported a positive test for American basketball player Diana Taurasi.
WADA had already suspended the Ankara lab.
In a statement Tuesday, WADA said that lab "will no longer be authorized to carry out testing of doping control samples on behalf of WADA or any testing authority."
Last year, the lab said Taurasi had tested positive for the banned stimulant modafanil while playing professional basketball in Turkey. Several weeks later, the lab retracted the report and Taurasi was cleared of wrongdoing.
"It is the second time the Ankara laboratory has fallen below the standards set by WADA," the agency said.
The lab was also suspended for three months in 2009.
WADA said the Ankara lab can appeal the decision to the Court of Arbitration for Sport within 21 days and can also reapply for accreditation.
Taurasi is currently playing for the Phoenix Mercury in the WNBA and signed a contract to play again in Turkey later in the year. She will be a strong candidate to make the U.S. roster for the London Olympics.
Taurasi recently said she was in the preliminary stages of taking legal action against the lab.