Shabnam Ahmadyar (pictured) has been diagnosed as paranoid schizophrenic and functions below her age level, according to a Police Department news release.
Ahmadyar walked away form her residence in the 4800 block of Chamberlain Circle about 4:30 this afternoon.
She is described as 5 feet 5 inches tall, weighing 125 pounds, with brown eyes and black hair in ponytails. She was wearing a gray hooded jacket and matching sweat pants.
Police said the girl left home without identification and does not have her medication with her.
Anyone with information regarding her whereabouts is asked to call the Elk Grove Police Department Dispatch Center at (916) 691-5246.