ICD-10-CM > P00-P96 > P50-P61 > P55 P55 Hemolytic disease of newborn Non-Billable/Non-Specific Codes P55.0Rh isoimmunization of newbornP55.1ABO isoimmunization of newbornP55.8Other hemolytic diseases of newbornP55.9Hemolytic disease of newborn, unspecified