ICD-10 Code: P55.1 – ABO isoimmunization of newborn

ICD-10 code P55.1 corresponds to ABO isoimmunization of newborn. This code is classified under the chapter P55 Hemolytic disease of newborn, which is part of the P50-P61: Hemorrhagic and hematological disorders of newborn category.

The parent chapter is Certain conditions originating in the perinatal period.