Specific code 2014 ICD-9-CM Diagnosis Code 773.1
Hemolytic disease of fetus or newborn due to ABO isoimmunization
  • Billable Code
  • Newborn/Neonate Only Dx (0 years)
  • Short description: NB hemolyt dis-abo isoim.
  • ICD-9-CM 773.1 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 773.1 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • ABO hemolytic disease, fetus
  • ABO hemolytic disease, fetus or newborn
  • ABO hemolytic disease, newborn
  • Hemolytic disease of fetus due to ABO immunization
  • Hemolytic disease of fetus OR newborn due to ABO immunization
  • Hemolytic disease of newborn due to ABO immunization
Applies To
  • ABO hemolytic disease
  • ABO isoimmunization
  • Anemia due to ABO:
    • antibodies
    • isoimmunization
    • maternal/fetal incompatibility
  • Erythroblastosis (fetalis) due to ABO:
    • antibodies
    • isoimmunization
    • maternal/fetal incompatibility
  • Hemolytic disease (fetus) (newborn) due to ABO:
    • antibodies
    • isoimmunization
    • maternal/fetal incompatibility
  • Jaundice due to ABO:
    • antibodies
    • isoimmunization
    • maternal/fetal incompatibility
ICD-9-CM Coding Information
  • 773.1 is only applicable to newborns of age 0 years.
Convert to ICD-10-CM: 773.1 converts approximately to:
  • 2014 ICD-10-CM P55.1 ABO isoimmunization of newborn
ICD-9-CM Volume 2 Index entries containing back-references to 773.1:
  • 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
        • Rh
      • following fetal blood loss 776.5
  • Disease, diseased - see also Syndrome
    • hemolytic (fetus) (newborn) 773.2
      • autoimmune (cold type) (warm type) 283.0
      • due to or with
        • incompatibility
          • ABO (blood group) 773.1
          • blood (group) (Duffy) (Kell) (Kidd) (Lewis) (M) (S) NEC 773.2
          • Rh (blood group) (factor) 773.0
        • Rh negative mother 773.0
      • unstable hemoglobin 282.7
  • Erythroblastosis (fetalis) (newborn) 773.2
    • due to
      • ABO
        • antibodies 773.1
        • incompatibility, maternal/fetal 773.1
        • isoimmunization 773.1
      • Rh
  • Immunization
    • ABO
      • affecting management of pregnancy 656.2
        • fetus or newborn 773.1
  • Incompatibility
    • ABO
      • affecting management of pregnancy 656.2
      • fetus or newborn 773.1
      • infusion or transfusion reaction (see also Complications, transfusion) 999.60
  • Isoimmunization NEC (see also Incompatibility) 656.2
    • fetus or newborn 773.2
      • ABO blood groups 773.1
      • Rhesus (Rh) factor 773.0
  • 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
        • absence or deficiency of enzyme system for bilirubin conjugation (congenital) 774.39
        • blood group incompatibility NEC 773.2
        • breast milk inhibitors to conjugation 774.39
          • associated with preterm delivery 774.2
        • bruising 774.1
        • Crigler-Najjar syndrome 277.4 [774.31]
        • delayed conjugation 774.30
          • associated with preterm delivery 774.2
          • development 774.39
        • drugs or toxins transmitted from mother 774.1
        • G-6-PD deficiency 282.2 [774.0]
        • galactosemia 271.1 [774.5]
        • Gilbert's syndrome 277.4 [774.31]
        • hepatocellular damage 774.4
        • hereditary hemolytic anemia (see also Anemia, hemolytic) 282.9 [774.0]
        • hypothyroidism, congenital 243 [774.31]
        • incompatibility, maternal/fetal NEC 773.2
        • infection 774.1
        • inspissated bile syndrome 774.4
        • isoimmunization NEC 773.2
        • mucoviscidosis 277.01 [774.5]
        • obliteration of bile duct, congenital 751.61 [774.5]
        • polycythemia 774.1
        • preterm delivery 774.2
        • red cell defect 282.9 [774.0]
        • Rh
        • spherocytosis (congenital) 282.0 [774.0]
        • swallowed maternal blood 774.1
      • physiological NEC 774.6
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 773.1 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.