Where used:
| Class | ANAESTHETIC OR ANALGESIC | has an attribute PERIOD ADMINISTERED | 
| Data Element | ANAESTHETIC GIVEN DURING LABOUR OR DELIVERY | references in description PERIOD ADMINISTERED | 
| Data Element | ANAESTHETIC GIVEN DURING LABOUR OR DELIVERY CODE | references in description PERIOD ADMINISTERED | 
| Data Element | ANAESTHETIC GIVEN POST LABOUR OR DELIVERY | references in description PERIOD ADMINISTERED | 
| Data Element | ANAESTHETIC GIVEN POST LABOUR OR DELIVERY CODE | references in description PERIOD ADMINISTERED |