GB23.2

ICD-11 MMS 2026-01

Fat necrosis of breast

Description

A condition of the breast, caused by saponification of fat tissue, commonly subsequent to trauma or radiation therapy. This condition is characterised by damage, death, or inflammation of the fat tissue by blood and tissue digestive enzymes, and the development of scar tissue and lesions. Confirmation is by imaging of the breast and needle aspiration.

Index terms

  • Fat necrosis of breast
  • aseptic fat necrosis of breast
  • breast necrosis NOS
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  • Segmental fat necrosis of breast

Exclusions from above levels

  • JB46 – Certain specified disorders of breast or lactation associated with childbirth
  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
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  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

  • GB23.0 – Mammary duct ectasia
  • GB23.1 – Fissure or fistula of nipple
  • GB23.3 – Atrophy of breast
  • GB23.4 – Galactorrhoea not associated with childbirth
  • GB23.5 – Mastodynia

Foundation entity

Fat necrosis of breast – http://id.who.int/icd/entity/149925294

Allowed postcoordination axes

Part of: GB23: Certain specified disorders of breast › 16: Diseases of the genitourinary system