Whitney Houston Whitney Houston

Whitney Houston's autopsy has been completed, but it will be another six to eight weeks for official results, People reports. "We need additional testing," Coroner Assistant Chief Ed Winter said. "We won't make that final determination until all the tests are in."

Report: Whitney Houston's Daughter Rushed to Hospital After Singer's Death

Houston, 48, was found unconscious in her hotel bathtub on Saturday afternoon. She was declared dead shortly after.

While the coroner confirmed there were "no visible signs of trauma on the body," he declined to address the rumors that the singer drowned.

Despite the coroner's statement, TMZ is reporting that Houston's family was told she died from a combination of Xanax, other prescription drugs and alcohol.