773.5 NB LATE ANEMIA:ISOIMMUN


Code Information

Diagnosis Code: 773.5

Short Description: NB late anemia:isoimmun

Long Description: Late anemia of fetus or newborn due to 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
        • 773.5 NB late anemia:isoimmun

This code is valid for newborn diagnoses

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 773.5 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Anemia 285.9
    • erythroblastic
      • fetus or newborn (see also Disease, hemolytic) 773.2
        • late 773.5
    • hemolytic 283.9
      • acute 283.9
        • fetus or newborn (see also Disease, hemolytic) 773.2
          • late 773.5
    • newborn (see also Disease, hemolytic) 773.2
      • late, due to isoimmunization 773.5

Crosswalk Information

The code 773.5 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
773.5 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
773.1 Hemolytic disease of fetus or newborn due to ABO 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


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