| Format/Length: | See YEAR AND MONTH |
| HES Item: | |
| National Codes: | |
| Default Codes: |
Notes:
YEAR AND MONTH OF BIRTH (BABY) is the YEAR AND MONTH of the recorded PERSON BIRTH DATE (BABY) of a baby.
For the National Neonatal Data Set - Episodic and Daily Care, YEAR AND MONTH OF BIRTH (BABY) is submitted instead of DATE TIME OF BIRTH (BABY), where the data set record is anonymised.