|
 | Data Element | Date estimation flag | QH 040405 Version 1 | Superseded | Standard |
| | Data Element | Date-accuracy indicator | QH 040907 Version 1 | Superseded | Standard |
| | Data Element | Date-estimated date of birth indicator (QHAPDC) | QH 042433 Version 1 | Current | Standard |
| | Data Element | Date-estimated date of birth indicator (QHNAPDC) | QH 042469 Version 1 | Current | Standard |
| | Data Element | Date-estimated date of diagnosis indicator | QH 043129 Version 1 | Draft | Standard |
| | Data Element | Date-estimated mother's date of birth indicator | QH 042540 Version 1 | Current | Documented |
| | Data Element | Date-estimated mother's date of birth indicator | QH 042540 Version 2 | Draft | Standard |
| | Data Element | Estimated date of confinement estimated indicator | QH 042528 Version 1 | Current | Documented |
| | Data Element | Last menstrual period estimated indicator | QH 042527 Version 1 | Current | Documented |
| | Data Element | Pregnancy-estimated date of confinement estimated indicator | QH 042528 Version 2 | Draft | Standard |