Format/Length:	max an2
HES Item:
National Codes:	See PERSON BLOOD GROUP
Default Codes:	77 - Not Applicable (mother not tested)
	99 - Blood group not known

Notes:
BLOOD GROUP (MOTHER) is the same as attribute PERSON BLOOD GROUP for a mother. 

This data element is also known by these names:

Context	Alias
plural	BLOOD GROUPS (MOTHER)