1. ICD-10-CM Codes
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2. P00-P96 Certain conditions originating in the perinatal period
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3. P50-P61 Hemorrhagic and hematological disorders of newborn
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4. P55- Hemolytic disease of newborn
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2020 ICD-10-CM Diagnosis Code P55.0

Rh isoimmunization of newborn

2016 2017 2018 2019 2020 Billable/Specific Code Code on Newborn Record

• P55.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2020 edition of ICD-10-CM P55.0 became effective on October 1, 2019.
• This is the American ICD-10-CM version of P55.0 - other international versions of ICD-10 P55.0 may differ.

• P55.0 should be used on the newborn record - not on the maternal record.

• Hemolytic disease of fetus or newborn due to rhd isoimmunization
• Rh hemolytic disease, fetus or newborn

• A disorder caused when there is a rh-factor blood-type incompatibility between the mother and fetus, and the mother's immune system forms antibodies that attack the red blood cells of her unborn child. This disorder can only occur if the mother is rh-negative and the fetus is rh-positive.

• 794 Neonate with other significant problems

Convert P55.0 to ICD-9-CM

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change

• Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) D64.9
  ICD-10-CM Diagnosis Code D64.9

  Anemia, unspecified

  2016 2017 2018 2019 2020 Billable/Specific Code
  • newborn P61.4
    ICD-10-CM Diagnosis Code P61.4

    Other congenital anemias, not elsewhere classified

    2016 2017 2018 2019 2020 Billable/Specific Code Code on Newborn Record

    Applicable To

    • Congenital anemia NOS
    • due to
      • Rh P55.0 (antibodies, isoimmunization, maternal/fetal incompatibility)
• Antibodies, maternal (blood group) - see Isoimmunization, affecting management of pregnancy
  • anti-D - see Isoimmunization, affecting management of pregnancy, Rh
    • newborn P55.0
• Disease, diseased - see also Syndrome
  • hemolytic (newborn) P55.9
    ICD-10-CM Diagnosis Code P55.9

    Hemolytic disease of newborn, unspecified

    2016 2017 2018 2019 2020 Billable/Specific Code Code on Newborn Record
    • due to or with
      • incompatibility
        • Rh P55.0 (blood group) (factor)
      • Rh negative mother P55.0
• Erythroblastosis (fetalis) (newborn) P55.9
  ICD-10-CM Diagnosis Code P55.9

  Hemolytic disease of newborn, unspecified

  2016 2017 2018 2019 2020 Billable/Specific Code Code on Newborn Record
  • due to
    • Rh P55.0 (antibodies) (incompatibility) (isoimmunization)
• Icterus - see also Jaundice
  • gravis, newborn P55.0
• Incompatibility
  • Rh (blood group) (factor) Z31.82
    ICD-10-CM Diagnosis Code Z31.82

    Encounter for Rh incompatibility status

    2016 2017 2018 2019 2020 Billable/Specific Code POA Exempt
    • newborn P55.0
• Isoimmunization NEC - see also Incompatibility
  • newborn P55.9
    ICD-10-CM Diagnosis Code P55.9

    Hemolytic disease of newborn, unspecified

    2016 2017 2018 2019 2020 Billable/Specific Code Code on Newborn Record
    • Rhesus P55.0 (Rh)
• Jaundice (yellow) R17
  ICD-10-CM Diagnosis Code R17

  Unspecified jaundice

  2016 2017 2018 2019 2020 Billable/Specific Code

  Type 1 Excludes

  • neonatal jaundice (P55, P57-P59)
  • newborn P59.9
    ICD-10-CM Diagnosis Code P59.9

    Neonatal jaundice, unspecified

    2016 2017 2018 2019 2020 Billable/Specific Code Code on Newborn Record

    Applicable To

    • Neonatal physiological jaundice (intense)(prolonged) NOS
    • due to or associated with
      • hemolytic disease P55.9
        ICD-10-CM Diagnosis Code P55.9

        Hemolytic disease of newborn, unspecified

        2016 2017 2018 2019 2020 Billable/Specific Code Code on Newborn Record
        • Rh isoimmunization P55.0
      • Rh
        • antibodies P55.0
        • incompatibility, maternal/fetal P55.0
        • isoimmunization P55.0
• Rh (factor)
  • incompatibility, immunization or sensitization
    • newborn P55.0
  • hemolytic disease P55.0 (newborn)
  • negative mother affecting newborn P55.0

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.