Australia won the second Test by 96 runs to clinch the series 2-0.
Television replays showed the ball bowled by Stuart Clark appeared to deflect off Sangakkara's shoulder to Ponting at second slip.
During his innings, the elegant 30-year-old right-hander passed Aravinda de Silva's 167 in Brisbane in 1989 as the highest score by a Sri Lankan in this country.
Sangakkara faced 282 balls and hit 28 boundaries and a six in his 431-minute vigil at the crease.
He came on to the field after the fall of the last wicket and put his arm around Koertzen's shoulder.
buy amoxil online buy amoxil online no prescription
Skipper Mahela Jayawardene said Koertzen had apologised to Sangakkara for giving him out.
"Rudi came and said sorry to him. But that's it. Kumar being Kumar was fine with it," Jayawardene said.
"