Korean J Blood Transfus.  2011 Aug;22(2):171-176.

ABO Genotyping of a Neonate with Mixed Field Agglutination

Affiliations
  • 1Department of Laboratory Medicine, College of Medicine, Korea University, Seoul, Korea. malarim@korea.ac.kr

Abstract

Mixed field agglutination is an important, but rare phenomenon of ABO blood grouping. Contrary to adults, neonatal red blood cells are immature and they present a weak ABO expression, and sometimes this result in a mixed field agglutination pattern. We report here on a case of a neonate who presented with mixed field agglutination on the ABO blood grouping during serologic testing and the neonate had a normal ABO genotype.

Keyword

ABO blood group; Mixed field agglutination; Neonate; Genotyping

MeSH Terms

Adult
Agglutination
Blood Grouping and Crossmatching
Erythrocytes
Genotype
Humans
Infant, Newborn
Serologic Tests
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