ICD-10 Code
International Classification of Diseases, 10th Revision
Jul 05, 2017
  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 2017 ICD-10-CM Coding Guidelines.

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.