 | ABS age | QH 040264 Version 1 | Derived Data Element | Current | Standard | 15-Jan-1998 | - |
 | Account class | QH 040165 Version 1 | Data Element | Superseded | Standard | 01-Jul-1987 | 30-Jun-2014 |
 | Accrued patient days | QH 040016 Version 1 | Derived Data Element | Superseded | Standard | 01-Jul-1984 | 30-Jun-2014 |
 | Activity file-activity code (QHAPDC) | QH 040167 Version 1 | Data Element | Superseded | Standard | 01-Jul-1987 | 30-Jun-1998 |
 | Activity file-activity code (QHAPDC) | QH 040167 Version 2 | Data Element | Superseded | Standard | 01-Jul-1998 | 30-Jun-1999 |
 | Activity file-activity code (QHAPDC) | QH 040167 Version 3 | Data Element | Superseded | Standard | 01-Jul-1999 | 30-Jun-2005 |
 | Activity file-activity code (QHAPDC) | QH 040167 Version 4 | Data Element | Superseded | Standard | 01-Jul-2005 | 30-Jun-2009 |
 | Activity file-activity code (QHAPDC) | QH 040167 Version 5 | Data Element | Superseded | Standard | 01-Jul-2009 | 30-Jun-2010 |
 | Activity file-activity code (QHAPDC) | QH 040167 Version 6 | Data Element | Superseded | Standard | 01-Jul-2010 | 30-Jun-2016 |
 | Activity file-activity code (QHAPDC) | QH 040167 Version 7 | Data Element | Superseded | Standard | 01-Jul-2016 | 30-Jun-2017 |