Officials announced a cause of death for actress Michelle Trachtenberg, who passed away earlier this year, on Wednesday. The New York City Office of Chief Medical Examiner told People that the “Gossip Girl” and “Buffy the Vampire Slayer” star died due to complications from diabetes mellitus. Her manner of death was ruled as natural.

New York City’s medical examiner's office said in a statement that it amended the cause and manner of death for the 39-year-old New York City native following a review of laboratory test results.