1. ICD-10-CM Codes
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2. N00-N99
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3. N60-N65
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4. N64-
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5. 2023 ICD-10-CM Diagnosis Code N64.89

2023 ICD-10-CM Diagnosis Code N64.89

Other specified disorders of breast

2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

• N64.89 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2023 edition of ICD-10-CM N64.89 became effective on October 1, 2022.
• This is the American ICD-10-CM version of N64.89 - other international versions of ICD-10 N64.89 may differ.

• Asymmetry of breasts
• Bilateral mastectomy deformities
• Bilateral mastectomy deformity
• Bilateral pendulous breasts
• Breast hematoma
• Breast hematoma due to non-traumatic cause
• Breast seroma after procedure
• Breasts asymmetrical
• Hematoma of breast after procedure
• Lactocele
• Left breast duct occlusion
• Left breast hematoma
• Left breast radial scar
• Left pendulous breast
• Nontraumatic hematoma of breast
• Nontraumatic hematoma of left breast
• Nontraumatic hematoma of right breast
• Nontraumatic left breast hematoma
• Nontraumatic right breast hematoma
• Occlusion of breast duct
• Occlusion of left breast duct
• Occlusion of right breast duct
• Pendulous breast
• Postpartum subinvolution of breast
• Postprocedural hematoma of breast
• Radial scar of breast
• Radial scar of left breast
• Radial scar of right breast
• Right breast duct occlusion
• Right breast hematoma
• Right breast radial scar
• Right pendulous breast
• Seroma of breast as complication of procedure

• Single or multiple, milk-containing nodules in the breast. It is caused by obstruction of the breast ducts during lactation. Needle aspiration of the milk is the treatment of choice.

• 600 Non-malignant breast disorders with cc/mcc
• 601 Non-malignant breast disorders without cc/mcc

Convert N64.89 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
• 2021 (effective 10/1/2020): No change
• 2022 (effective 10/1/2021): No change
• 2023 (effective 10/1/2022): No change

• Cyst (colloid) (mucous) (simple) (retention)
  • milk N64.89
• Deformity Q89.9
  ICD-10-CM Diagnosis Code Q89.9

  Congenital malformation, unspecified

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt

  Applicable To

  • Congenital anomaly NOS
  • Congenital deformity NOS
  • breast (acquired) N64.89
  • nipple (congenital) Q83.9
    ICD-10-CM Diagnosis Code Q83.9

    Congenital malformation of breast, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code POA Exempt
    • acquired N64.89
• Degeneration, degenerative
  • breast N64.89
  • nipple N64.89
• Disease, diseased - see also Syndrome
  • breast N64.9
    - see also Disorder, breast
    ICD-10-CM Diagnosis Code N64.9

    Disorder of breast, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • specified NEC N64.89
• Disorder (of) - see also Disease
  • breast N64.9
    ICD-10-CM Diagnosis Code N64.9

    Disorder of breast, unspecified

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    • specified type NEC N64.89
• Galactocele (breast) N64.89
• Hematoma (traumatic) (skin surface intact) - see also Contusion
  • breast N64.89 (nontraumatic)
• Infarct, infarction
  • breast N64.89
• Mastopathy, mastopathia N64.9
  ICD-10-CM Diagnosis Code N64.9

  Disorder of breast, unspecified

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
  • estrogenic, oestrogenica N64.89
  • ovarian origin N64.89
• Occlusion, occluded
  • mammary duct N64.89
• Pendulous
  • breast N64.89
• Subinvolution
  • breast N64.89 (postlactational) (postpuerperal)
• Unilateral - see also condition
  • development, breast N64.89

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