| Data Element | Data Element | Census date | QH 040352 Version 1 | Mandatory | Superseded | 01-Jul-1996 | 30-Jun-2014 |
| Data Element | Data Element | Country of birth | QH 040161 Version 4 | Mandatory | Superseded | 01-Jul-2004 | 30-Jun-2009 |
| Data Element | Data Element | Country of birth | QH 040161 Version 3 | Mandatory | Superseded | 01-Jul-2001 | 30-Jun-2004 |
| Data Element | Data Element | Country of birth | QH 040161 Version 2 | Mandatory | Superseded | 01-Jun-1996 | 30-Jun-2001 |
| Data Element | Data Element | Data collection-data extract period beginning | QH 042065 Version 1 | Mandatory | Draft | 01-Jul-2017 | 30-Jun-2019 |
| Data Element | Data Element | Data collection-data extract period ending | QH 042066 Version 1 | Mandatory | Draft | 01-Jul-2017 | 30-Jun-2019 |
| Data Element | Data Element | Data collection-number of data extract records | QH 042068 Version 1 | Mandatory | Draft | 01-Jul-2017 | 30-Jun-2019 |
| Data Element | Data Element | Date not ready for care | QH 040354 Version 1 | Conditional | Superseded | 01-Jul-1998 | 30-Jun-2005 |
| Data Element | Data Element | Date of birth | QH 040163 Version 2 | Mandatory | Superseded | 01-Jul-2004 | 30-Jun-2009 |
| Data Element | Data Element | Date of birth-client | QH 040163 Version 1 | Mandatory | Superseded | 01-Jun-1996 | 30-Jun-2004 |
| Data Element | Data Element | Date of change of waiting list details | QH 040358 Version 1 | Conditional | Superseded | 01-Jul-1998 | 30-Jun-2014 |
| Data Element | Data Element | Elective care waiting list episode-listing date for care | QH 040359 Version 3 | Mandatory | Current | 01-Jul-2014 | 30-Jun-2016 |
| Data Element | Data Element | Elective procedure waiting list episode-clinical urgency assessment category reassignment date | QH 041720 Version 2 | Conditional | Current | 01-Jul-2016 | 30-Jun-2019 |
| Data Element | Data Element | Elective procedure waiting list episode-clinical urgency assessment category reassignment date | QH 041720 Version 1 | Conditional | Superseded | 01-Jul-2014 | 30-Jun-2016 |
| Data Element | Derived Data Element | Elective surgery specialty | QH 040095 Version 2 | Mandatory | Superseded | 01-Jul-2006 | 30-Jun-2014 |
| Data Element | Derived Data Element | Elective surgery specialty | QH 040095 Version 1 | Mandatory | Superseded | 01-Jul-1997 | 30-Jun-2006 |
| Data Element | Data Element Concept | Elective surgery waiting list episode | QH 041716 Version 1 | | Current | 01-Mar-2005 | 30-Jun-2019 |
| Data Element | Data Element | Elective surgery waiting list episode-clinical urgency assessment category | QH 040087 Version 4 | Mandatory | Current | 01-Jul-2016 | 30-Jun-2019 |
| Data Element | Data Element | Elective surgery waiting list episode-clinical urgency assessment category | QH 040087 Version 3 | Mandatory | Superseded | 01-Jul-2015 | 30-Jun-2016 |
| Data Element | Data Element | Elective surgery waiting list episode-clinical urgency assessment category | QH 040087 Version 2 | Mandatory | Superseded | 01-Jul-2014 | 30-Jun-2015 |
| Data Element | Data Element | Elective surgery waiting list episode-date placed on waiting list | QH 042273 Version 1 | Mandatory | Current | 01-Jul-2016 | 30-Jun-2019 |
| Data Element | Data Element | Elective surgery waiting list episode-not ready for surgery end date | QH 042287 Version 1 | Conditional | Current | 01-Jul-2016 | 30-Jun-2019 |
| Data Element | Data Element | Elective surgery waiting list episode-not ready for surgery start date | QH 042271 Version 1 | Conditional | Current | 01-Jul-2016 | 30-Jun-2019 |
| Data Element | Derived Data Element | Elective surgery waiting list episode-number of days not ready for surgery | QH 042318 Version 1 | Mandatory | Draft | 01-Jul-2016 | 30-Jun-2019 |
| Data Element | Data Element | Elective surgery waiting list episode-patient listing status, readiness for care | QH 041721 Version 1 | Mandatory | Superseded | 30-Sep-2012 | 30-Jun-2016 |
| Data Element | Data Element | Elective surgery waiting list episode-patient listing status, readiness for surgery | QH 041721 Version 2 | Mandatory | Current | 01-Jul-2016 | 30-Jun-2019 |
| Data Element | Data Element | Elective surgery waiting list episode-planned procedure | QH 040096 Version 2 | Mandatory | Superseded | 01-Jul-2014 | 30-Jun-2015 |
| Data Element | Data Element | Elective surgery waiting list episode-planned procedure date | QH 040597 Version 1 | Conditional | Current | 01-Jul-1999 | 30-Jun-2019 |
| Data Element | Data Element | Elective surgery waiting list episode-reason for removal from a waiting list | QH 042321 Version 1 | Conditional | Draft | 01-Jul-2016 | 30-Jun-2019 |
| Data Element | Data Element | Elective surgery waiting list episode-reason for removal from a waiting list | QH 040373 Version 5 | Conditional | Superseded | 01-Jul-2014 | 30-Jun-2016 |
| Data Element | Derived Data Element | Elective surgery waiting list episode-surgical specialty (of scheduled doctor) | QH 040095 Version 3 | Mandatory | Superseded | 01-Jul-2014 | 30-Jun-2016 |
| Data Element | Derived Data Element | Elective surgery waiting list episode-surgical specialty (of unit of admission) (ESDC) | QH 042322 Version 1 | Mandatory | Current | 01-Jul-2016 | 30-Jun-2019 |
| Data Element | Data Element | Elective surgery waiting list episode-waiting list removal date | QH 040983 Version 2 | Conditional | Current | 01-Jul-2014 | 30-Jun-2019 |
| Data Element | Data Element | Elective surgery waiting list episode-waiting list removal date | QH 040983 Version 1 | Conditional | Superseded | 01-Jul-1997 | 30-Jun-2014 |
| Data Element | Derived Data Element | Elective surgery waiting list episode-waiting time (at a census date), total days | QH 040962 Version 2 | Conditional | Superseded | 01-Jul-2014 | 30-Jun-2016 |
| Data Element | Derived Data Element | Elective surgery waiting list episode-waiting time (at removal), total days | QH 040963 Version 2 | Mandatory | Superseded | 01-Jul-2014 | 30-Jun-2016 |
| Data Element | Derived Data Element | Elective surgery waiting list episode-waiting time at a census date, total days | QH 040962 Version 3 | Conditional | Current | 01-Jul-2016 | 30-Jun-2019 |
| Data Element | Derived Data Element | Elective surgery waiting list episode-waiting time at removal, total days | QH 040963 Version 3 | Mandatory | Current | 01-Jul-2016 | 30-Jun-2019 |
| Data Element | Derived Data Element | Elective surgery waiting time (at removal date) | QH 040963 Version 1 | Mandatory | Superseded | 01-Jul-1997 | 30-Jun-2014 |
| Data Element | Data Element | Facility identifier | QH 040006 Version 1 | Mandatory | Superseded | 01-Jun-1996 | 30-Jun-2014 |
| Data Element | Data Element | Facility-facility code | QH 040006 Version 2 | Mandatory | Current | 01-Jul-2014 | 30-Jun-2019 |
| Data Element | Data Element | Facility-hospital managing waiting list | QH 041726 Version 1 | | Current | 01-Jul-2014 | 30-Jun-2019 |
| Data Element | Data Element | Family name | QH 040002 Version 2 | Mandatory | Superseded | 02-Sep-2003 | 19-Oct-2008 |
| Data Element | Data Element | Health care client (name)-family name | QH 040002 Version 3 | Mandatory | Superseded | 20-Oct-2008 | 28-May-2014 |
| Data Element | Data Element | Healthcare Improvement Unit (HIU) data collection-data extract file name | QH 042785 Version 1 | Mandatory | Draft | 01-Jul-2017 | 30-Jun-2019 |
| Data Element | Data Element | Healthcare Improvement Unit (HIU) data collection-data source system | QH 042067 Version 1 | Mandatory | Draft | 01-Jul-2017 | 30-Jun-2019 |
| Data Element | Data Element | Hospital census (of elective surgery waitlist patients)-census date | QH 040352 Version 2 | Mandatory | Superseded | 01-Jul-2014 | 30-Jun-2015 |
| Data Element | Data Element Concept | Hospital waiting list | QH 040964 Version 1 | | Current | 01-Jan-1997 | 30-Jun-2019 |
| Data Element | Data Element | Hospital waiting list-census date | QH 040352 Version 3 | | Current | 01-Jul-2015 | 30-Jun-2019 |
| Data Element | Derived Data Element | Indicator procedure-national | QH 040089 Version 2 | Mandatory | Superseded | 01-Jul-2006 | 30-Jun-2014 |