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Diagnosis Code

N64.1 FAT NECROSIS OF BREAST


Code Information

Diagnosis Code: N64.1

Short Description: Fat necrosis of breast

Long Description: Fat necrosis of breast

The code N64.1 is VALID for claim submission

Code Classification:

  • Diseases of the genitourinary system (N00–N99)
    • Disorders of breast (N60-N65)
      • Other disorders of breast (N64)
        • N64.1 Fat necrosis of breast

This code is valid for unacceptable principal diagnosis

Code Version: 2022 ICD-10-CM


Synonyms

  • Bilateral fat necrosis of breasts
  • Fat necrosis of breast
  • Fat necrosis of left breast
  • Fat necrosis of right breast

Diagnostic Related Group(s)

The code N64.1 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Non-malignant Breast Disorders With Cc/mcc (600)
  • Non-malignant Breast Disorders Without Cc/mcc (601)

References to Index of Diseases and Injuries

The code N64.1 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Fat necrosis (segmental) of breast
  • Code First:
    • breast necrosis due to breast graft (@T85.898*)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
N64.1 Right Arrow 611.3 Fat necrosis of breast

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
N64 Other disorders of breast
N64.0 Fissure and fistula of nipple
N64.2 Atrophy of breast
N64.3 Galactorrhea not associated with childbirth
N64.4 Mastodynia
N64.5 Other signs and symptoms in breast
N64.51 Induration of breast
N64.52 Nipple discharge
N64.53 Retraction of nipple
N64.59 Other signs and symptoms in breast
N64.8 Other specified disorders of breast
N64.81 Ptosis of breast
N64.82 Hypoplasia of breast
N64.89 Other specified disorders of breast
N64.9 Disorder of breast, unspecified

This page was last updated on: 10/1/2023

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