 The participating 16 teams disputed the regular season based on home-and-away matches.At the end of regular season, the highest ranked 8 teams were admitted into play-off, with the lowest two ranked teams being relegated to LegADue

Every team was allowed to present in its roster up to 6 athletes that haven't been "formed" in Italy (of which at least 3 have to be citizens of European Union), out of total 12 players in squad.The newcomers, compared to 2008–09 Serie A, were Cimberio Varese, returning to Serie A after one season in LegADue, and Vanoli Cremona, created by unification of Vanoli Soresina (promoted to Serie A through playoff) with Juvi Basket Cremona (that ceded the title of Serie A Dilettanti to Basket Brescia Leonessa).