| Data Element | Birth event-first additional reason for caesarean section code (ICD-10-AM 10th edn) | QH 041699 Version 3 | Superseded | Standard |
| Data Element | Birth event-first additional reason for caesarean section code (ICD-10-AM 11th edn) | QH 041699 Version 4 | Current | Standard |
| Data Element | Birth event-first additional reason for caesarean section code (ICD-10-AM 8th edn) | QH 041699 Version 1 | Superseded | Standard |
| Data Element | Birth event-first additional reason for caesarean section code (ICD-10-AM 9th edn) | QH 041699 Version 2 | Superseded | Standard |
| Data Element | Birth event-main reason for caesarean section code (ICD-10-AM 10th edn) | QH 041696 Version 3 | Superseded | Standard |
| Data Element | Birth event-main reason for caesarean section code (ICD-10-AM 11th edn) | QH 041696 Version 4 | Current | Standard |
| Data Element | Birth event-main reason for caesarean section code (ICD-10-AM 8th edn) | QH 041696 Version 1 | Superseded | Standard |
| Data Element | Birth event-main reason for caesarean section code (ICD-10-AM 9th edn) | QH 041696 Version 2 | Superseded | Standard |
| Data Element | Birth event-second additional reason for caesarean section code (ICD-10-AM 10th edn) | QH 041701 Version 3 | Superseded | Standard |
| Data Element | Birth event-second additional reason for caesarean section code (ICD-10-AM 11th edn) | QH 041701 Version 4 | Current | Standard |