Patient Administration Systems (often abbreviated to PAS) developed out of the automation of administrative paperwork in healthcare organisations, particularly hospitals, and are one of the core components of a hospital's IT infrastructure.
In the UK, IRC PAS was developed at North Staffordshire Health Authority in the late 1960s.
Siemens Nixdorf acquired the PAS in 1996 but dropped support in 1998.
[3] The NPfIT project was claimed to have deployed a total 141 new generation PAS by 2008 [4] but this figure had risen to only 170 by 2010.
[5] PAS Systems provide a number of core essential functions to hospitals: