'Gossip Girl' star Michelle Trachtenberg died at 39 from complications of diabetes mellitus

Nearly two months after Michelle Trachtenberg's death at 39 years old, officials have issued a ruling on her cause of death.

On Wednesday, New York City's Office of Chief Medical Examiner released a statement announcing the cause and manner of the "Gossip Girl" actor's Feb. 26 death as complications of diabetes mellitus. The manner was determined to be natural.

The office previously said in February that the cause and manner were "undetermined."

Trachtenberg was found dead in a New York City luxury apartment building at 8 a.m. Feb. 26, a spokesperson for the New York Police Department previously confirmed to USA TODAY. Upon arriving at her unit, officers found a 39-year-old woman unconscious and unresponsive; EMS officials responded to the scene and found the actress dead.

The New York City-born star, who started her career at 3 in television commercials, rose to fame as a child star and later found success in television and movie roles throughout the aughts and beyond.

Trachtenberg was a 2000s mainstay on TV with memorable roles in "Gossip Girl," "Harriet the Spy" and "Buffy the Vampire Slayer."