773.1 NB HEMOLYT DIS-ABO ISOIM


Code Information

Diagnosis Code: 773.1

Short Description: NB hemolyt dis-abo isoim

Long Description: Hemolytic disease of fetus or newborn due to ABO isoimmunization

Code Classification:

  • Certain conditions originating in the perinatal period (760–779)
    • Other conditions originating in the perinatal period (764-779)
      • 773 Hemolytic disease of fetus or newborn, due to isoimmunization
        • 773.1 NB hemolyt dis-abo isoim

This code is valid for newborn diagnoses

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 773.1 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • ABO
    • hemolytic disease 773.1
  • Anemia 285.9
    • fetus or newborn
      • due to
        • ABO
          • antibodies 773.1
          • incompatibility, maternal/fetal 773.1
          • isoimmunization 773.1
  • Disease, diseased - see also Syndrome
    • hemolytic (fetus) (newborn) 773.2
      • due to or with
        • incompatibility
          • ABO (blood group) 773.1
  • Erythroblastosis (fetalis) (newborn) 773.2
    • due to
      • ABO
        • antibodies 773.1
        • incompatibility, maternal/fetal 773.1
        • isoimmunization 773.1
  • Immunization
    • ABO
      • affecting management of pregnancy 656.2
        • fetus or newborn 773.1
  • Incompatibility
    • ABO
      • fetus or newborn 773.1
  • Isoimmunization NEC (see also Incompatibility) 656.2
    • fetus or newborn 773.2
      • ABO blood groups 773.1
  • Jaundice (yellow) 782.4
    • fetus or newborn 774.6
      • due to or associated with
        • ABO
          • antibodies 773.1
          • incompatibility, maternal/fetal 773.1
          • isoimmunization 773.1

Crosswalk Information

The code 773.1 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
773.1 Right Arrow P55.1 ABO isoimmunization of newborn
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
773.0 Hemolytic disease of fetus or newborn due to Rh isoimmunization
773.2 Hemolytic disease of fetus or newborn due to other and unspecified isoimmunization
773.3 Hydrops fetalis due to isoimmunization
773.4 Kernicterus of fetus or newborn due to isoimmunization
773.5 Late anemia of fetus or newborn due to isoimmunization


This page was last updated on: 10/1/2014