An official with the coroner's office in Los Angeles says an autopsy will be performed on Michael Jackson Friday, a day after the international pop star died suddenly at age 50.
The assistant chief coroner (Ed Winter) told reporters the office will be conducting toxicology tests and an extensive exam. He said the results could take six to eight weeks.
Jackson was pronounced dead Thursday at the UCLA Medical Center after suffering cardiac arrest at his Los Angeles home.
He died about two months before his 51st birthday, and just before July's launch of a series of comeback concerts in London. Tickets for his London shows, offered in March, sold out in minutes.
Jackson's brother, singer Jermaine Jackson, told reporters Thursday a team of doctors and paramedics, including Jackson's own physician, tried to revive the pop star at his home and at the hospital.
Jackson had been rumored to be in ill health for years, but the promoters of his London shows say he passed a recent medical examination.
The singer, dancer and songwriter became famous as a child in the 1970s while performing with his brothers in the Jackson 5 pop group. He went on to an unprecedented solo career, selling more than 750 million records, including the best-selling albums Off the Wall and Thriller, becoming a dynamic live stage act, and pioneering the music video genre.
Jackson was dogged by controversy in his later years. He was acquitted in a child-molestation trial in 2005 and struggled with financial problems. He was the subject of countless tabloid newspaper stories about his eccentric behavior, close relationship with children and multiple plastic surgeries that led to a dramatic change in his appearance.