- N64.89 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 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.
ICD-10-CM N64.89 is grouped within Diagnostic Related Group(s):
Applicable To
- Galactocele
- Subinvolution of breast (postlactational)
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 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
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to N64.89:
- milk > Cyst (colloid) (mucous) (simple) (retention)
- breast (acquired) > Deformity Q89.9
- acquired > nipple (congenital) Q83.9
- breast > Degeneration, degenerative
- nipple > Degeneration, degenerative
- specified NEC > breast N64.9
- specified type NEC > breast N64.9
- breast (nontraumatic) > Hematoma (traumatic) (skin surface intact)
- breast > Infarct, infarction
- estrogenic, oestrogenica > Mastopathy, mastopathia N64.9
- ovarian origin > Mastopathy, mastopathia N64.9
- mammary duct > Occlusion, occluded
- breast > Pendulous
- breast (postlactational) (postpuerperal) > Subinvolution
- development, breast > Unilateral