- N64.1 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 N64.1 became effective on October 1, 2022.
- This is the American ICD-10-CM version of N64.1 – other international versions of ICD-10 N64.1 may differ.
ICD-10-CM N64.1 is grouped within Diagnostic Related Group(s):
Applicable To
- Fat necrosis (segmental) of breast
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 N64.1:
- necrosis > Fat
- breast > necrosis N64.1
- breast (aseptic) (fat) (segmental) > Necrosis, necrotic (ischemic)
- breast (aseptic) (segmental) > fat, fatty (generalized) K65.4
- mammary gland (fat) (segmental) > Necrosis, necrotic (ischemic)