| Format/Length: | an3 | 
| HES Item: | |
| National Codes: | See PERSON RHESUS FACTOR | 
| Default Codes: | 777 - Not Applicable (Mother not tested) * | 
| 999 - Not Known (Rhesus test result not yet known) * | 
Notes:
RHESUS GROUP (MOTHER) is the same as attribute PERSON RHESUS FACTOR for a mother.
* Note: default codes 777 and 999 are only valid for the National Neonatal Data Set - Episodic and Daily Care.
