SYRACUSE -- Syracuse University has self-reported possible violations of its internal drug policy and an NCAA inquiry is under way, according to school officials.

Kevin Quinn, senior vice president for public affairs for the university, says the inquiry does not involve any current student-athletes.

In a report Monday, Yahoo Sports said a three-month investigation it conducted showed that the Syracuse men's basketball program failed to adhere to the drug policy while playing ineligible players during the past decade.

The report, which cited anonymous sources, said at least 10 players since 2001 had tested positive for a banned recreational substance or substances. The sources said all 10 players were allowed to practice and play at times when they should have been suspended by the athletic department, including instances when some may not have known of their own ineligibility. The report did not identify who tested positive. Syracuse won its lone national championship in 2003.

The NCAA, when contacted yesterday, issued a statement: "Syracuse University appropriately self-reported possible violations to the NCAA several months ago and we currently have an ongoing investigation."

Yahoo said it reviewed Syracuse's student-athlete drug policies dating to the 2000-01 school year. They detailed the athletic department's protocol for handling positive tests, including a penalty structure for a player's first, second and third offense.

The report said Syracuse violated its drug policy by failing to properly count positive tests and playing ineligible players after they should have been subject to suspension. Two sources said that of the 10 players, at least one continued to play after failing four tests and another played after failing three.

If Syracuse is found to have knowingly violated its own drug policy, it could trigger the NCAA's so-called "willful violators" clause, used when there's a pattern of violations. That would allow the investigation to date back to when the infractions began.