"He did very well. He looked very good and said he felt very good," head trainer Paul Lessard said.
Before going out to throw, Cueto seemed to be feeling positive about his health. He experienced soreness in his right oblique last week.
"I feel good. I feel better in my oblique," said Cueto, who originally went on the disabled list April 15 with a strained right lat.
Cueto was scheduled to see medical director Dr. Tim Kremchek later in the day. He will probably have another bullpen session before he potentially begins a rehab assignment.
"I don't want him to rush, favor one thing and hurt something else," Lessard said.
One week ago at St. Louis, Cueto threw a 45-pitch bullpen session and felt fine. He was poised to begin a rehab outing on Friday at Double-A Pensacola, pending a Thursday checkup with Kremchek.
Cueto wasn't cleared to pitch because of the oblique.
"It was a little sore," Cueto said. "I didn't feel it when I threw, but did when he touched it."
Mark Sheldon is a reporter for MLB.com. Read his blog, Mark My Word, and follow him on Twitter @m_sheldon. This story was not subject to the approval of Major League Baseball or its clubs.