| Data Element | Analgesia administered during labour | QH 040751 Version 1 | Superseded | Standard |
| Data Element | Analgesia administered during labour/delivery | QH 040751 Version 2 | Superseded | Standard |
| Data Element | Analgesia administered during labour/delivery | QH 040751 Version 3 | Superseded | Standard |
| Data Element | Analgesia/anaesthesia (flag) | QH 040070 Version 1 | Retired | Standard |
| Data Element | Analgesia/anaesthesia used during labour | QH 040152 Version 1 | Retired | Standard |
| Data Element | Birth event-non-pharmacological analgesia administered/used indicator | QH 041079 Version 2 | Current | Standard |
| Data Element | Birth event-non-pharmacological analgesia indicator | QH 041079 Version 1 | Superseded | Standard |
| Data Element | Birth event-non-pharmacological analgesia type | QH 041080 Version 1 | Superseded | Standard |
| Data Element | Birth event-pharmacological analgesia administered indicator | QH 040382 Version 1 | Superseded | Standard |
| Data Element | Birth event-pharmacological analgesia administered indicator | QH 040382 Version 2 | Current | Standard |