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 of death according to the Office of Chief Medical Examiner in New York City was initially ruled as undetermined as of Thursday. Undetermined refers to inadequate information to assess the cause of death of a person,

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