The order brings the first season up to 15 episodes, the entertainment industry publication reported Friday.
"Chicago P.D." is executive produced by Dick Wolf and stars Jason Beghe, Sophia Bush, Jon Seda, Patrick Flueger, Jesse Lee Soffer, Elias Koteas, Marina Squerciati, LaRoyce Hawkins and Archie Kao.
Dennis Rodman pledges to end trips to North Korea
Interpol investigating stolen passports on missing flight