A body found in Lexington County, South Carolina, has been identified as Elena Moore, the teenager who went missing a week ago in South Carolina. An autopsy is set for Saturday at 10 a.m. at MUSC in Charleston, according to the Lexington County Coroner's Office.Authorities have confirmed that a body discovered in Lexington County is that of missing teenager Elena Moore. Investigators continue to examine the circumstances surrounding her death. (Facebook/Elena Moore)Authorities have not yet released an official cause of death as the investigation continues.It is anticipated that more details about the manner and cause of death will be made public on Monday.Read more: Elena Moore update: Friend flags husband's treatment; says missing woman was ‘afraid for her life’What do authorities know so far?Moore was last seen on Thursday at a Planet Fitness in Lexington, South Carolina, before going missing last week. The night Moore vanished, footage showed her at a Publix grocery store parking lot at approximately 9:17 pm.The video was Moore's last recorded sighting until Wednesday afternoon, when Lexington Police said that a corpse matching her description had been discovered in a wooded area in the 400 block of Old Cherokee Road following a tip.Moore's body was provisionally identified at the time, but the Lexington County Coroner's Office confirmed the identification on Friday.Officials have released limited details about the circumstances surrounding Moore's death.According to Coroner Margaret Fisher's office, the final cause of death might take days or weeks to determine. Officials stated, "Until then, no further information about this investigation will be released."