"I felt the level of pain was, you know, not that high that I need to stop the match, even though it was obviously compromising my serve. That, of course, is a big shot, especially against Chung, who returns well, gets a lot of balls back," the world No. 14 said.
He had also called the trainer for a hip problem during his third-round win, but had described it as "nothing major" and did not get any attention from the trainer for that area during his fourth-round encounter.
"Apart from the arm, it was fine," he said of his first event back.
But Djokovic acknowledged that he was concerned that the elbow was still a problem following a six-month break to rest the injury.
"It's frustrating, of course, when you have that much time and you don't heal properly," he said. "Now I don't know. I have to reassess everything with my team, medical team, coaches and everybody, scan it. [During this tournament] I played a lot of tennis. Let's see what's happening inside."
