"I just wasn't as consistent as I wanted to be," he said. "It shouldn't take long at all. It's been almost two weeks. I just want to get a better feel for it."
Billingsley's injury also allowed management to delay one of its difficult roster decisions by stashing starter Aaron Harang in the bullpen temporarily.
The Dodgers will slide Billingsley into the rotation between third starter Josh Beckett and fourth starter Zack Greinke.
Ken Gurnick is a reporter for MLB.com. Austin Laymance is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.