GB23

ICD-11 MMS 2026-01

Certain specified disorders of breast

Description

Any disorder of the breast or breast tissue, characterised by pathological changes, not classified elsewhere.

Index terms

  • Certain specified disorders of breast
  • disease of breast
  • mastopathy

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

Child codes

  • GB23.0 – Mammary duct ectasia
  • GB23.1 – Fissure or fistula of nipple
  • GB23.2 – Fat necrosis of breast
  • GB23.3 – Atrophy of breast
  • GB23.4 – Galactorrhoea not associated with childbirth
  • GB23.5 – Mastodynia

Sibling codes

  • GB20 – Benign breast disease
  • GB21 – Inflammatory disorders of breast
  • GB22 – Hypertrophy of breast
  • GB2Y – Other specified disorders of breast

Foundation entity

Certain specified disorders of breast – http://id.who.int/icd/entity/1836788232

Allowed postcoordination axes

Part of: 16: Diseases of the genitourinary system