![](/i/app_ui/img/icons/apex-edit-view.png) | Supersedes | Data Element | Derived Data Element | Patient days | QH 040015 Version 1 | Superseded |
![](/i/app_ui/img/icons/apex-edit-view.png) | Is derived from | Data Element | Data Element | Episode of admitted patient care-admission date | QH 040008 Version 2 | Current |
![](/i/app_ui/img/icons/apex-edit-view.png) | Is derived from | Data Element | Data Element | Episode of admitted patient care-separation date | QH 040117 Version 3 | Current |
![](/i/app_ui/img/icons/apex-edit-view.png) | Is derived from | Data Element | Derived Data Element | Episode of admitted patient care-number of leave days | QH 040984 Version 3 | Current |
![](/i/app_ui/img/icons/apex-edit-view.png) | Is derived from | Data Element | Derived Data Element | Episode of admitted patient care-number of leave days | QH 040984 Version 2 | Superseded |
![](/i/app_ui/img/icons/apex-edit-view.png) | Is related but not equivalent to | Data Element | Derived Data Element | Admitted patient-length of stay (excluding leave days), total days at point during episode of care | QH 040016 Version 2 | Current |
![](/i/app_ui/img/icons/apex-edit-view.png) | Is used in conjunction with | Data Element | Data Element | Episode of admitted patient care-tobacco smoking status of patient | QH 041751 Version 3 | Superseded |
![](/i/app_ui/img/icons/apex-edit-view.png) | Is used in conjunction with | Data Element | Data Element | Episode of admitted patient care-tobacco smoking status of patient | QH 041751 Version 2 | Superseded |
![](/i/app_ui/img/icons/apex-edit-view.png) | Is used in conjunction with | Data Element | Data Element | Episode of admitted patient care-tobacco smoking status of patient | QH 041751 Version 1 | Superseded |
![](/i/app_ui/img/icons/apex-edit-view.png) | Relates to | Data Element | Data Element Concept | Episode of admitted patient care | QH 041604 Version 1 | Current |