- blood grouping serums
- [USP] preparations containing particular antibodies against red cell antigens, used for blood typing. Those most commonly used are the anti-A and anti-B blood grouping serums, used to determine ABO blood types, and the anti-Rh blood grouping serums (anti-D, anti-C, anti-E, anti-c, and anti-e), used to determine Rh blood types.
Medical dictionary. 2011.