ICD-10 Code
International Classification of Diseases, 10th Revision
Dec 15, 2018
  ICD-10 Code for Fat necrosis of breast N64.1

N64.1 is a valid1 ICD 10 diagnosis code.

N64.1 is valid for submission for HIPAA-covered transactions.

Chapter 14 Diseases of the genitourinary system (N00-N99)
Section N60-N65 Disorders of breast (N60-N65)
Category N64 Other disorders of breast

• See below for any additional coding requirements that may be necessary.

• Check for any notations, inclusions and/or exclusions that are specific to this ICD 10 code before using

1 No additional coding requirements necessary.
Inclusion Term
  • Fat necrosis (segmental) of breast
Code First
  • breast necrosis due to breast graft (T85.898)
See also ICD 10 code for

Related Terms to “Fat necrosis of breast”

  • Fat
    • necrosis
      • breast - N64.1
  • Necrosis, necrotic(ischemic)See also Gangrene
    • breast(aseptic) (fat) (segmental) - N64.1
    • fat, fatty(generalized) — See also Disorder, soft tissue, specified type NEC
      • breast(aseptic) (segmental) - N64.1
    • mammary gland(fat) (segmental) - N64.1
See the ICD-10-CM Coding Guidelines.

Questions related to N64.1 Fat necrosis of breast

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.