17/06/2003 (Holby City S5 E37)
Intensive Treatment Unit (ITU) is a medical unit of a hospital used to treat the sickest patients. Patients often recover there after extensive surgery.
ITU was situated on AAU from 17/06/2003 (S5 E37) until Series 7 Episode 52.
The separate unit was built on the 18/10/2005 (S8 E1).