The USC County Hospital was used as the hospital in General Hospital - the longest running soap opera.

General Hospital

General Hospital (commonly abbreviated GH) is an American daytime television medical drama that is credited by the Guinness Book of World Records as the longest-running American soap opera currently in production and the third longest-running drama in television in American history after Guiding Light and As the World Turns. Concurrently, it is the world's third longest-running scripted drama series currently in production after British serials The Archers and Coronation Street, as well as the world's second-longest televised soap opera still in production. General Hospital premiered on the ABC television network on April 1, 1963. Broadcast weekdays and currently repeated nightly on SOAPnet, it is the longest-running serial produced in Hollywood, and the longest-running entertainment program in ABC television history. It holds the record for most Daytime Emmy Awards for Outstanding Drama Series, with 11 wins.

• http://en.wikipedia.org/wiki/General Hospital
• Page 240 - Gordon, W. A., 2002, The Ultimate Hollywood Tour Book, North Ridge Books, Lake Forest, CA, 272 p.