No cause of death has been determined for actor Michelle Trachtenberg, whose body was found on Wednesday at her Upper West Side home, according to the New York City chief medical examiner’s office.A source told NBC New York that Trachtenberg,

The cause and manner of Michelle Trachtenberg's death will remain undetermined, according to the New York City Office of the Chief Medical Examiner.

Multiple reports say the 39-year-old ‘Gossip Girl’ star had a liver transplant in the past year, but without an autopsy her death certificate will say her cause of death is