ICD-11 classes
16 Diseases of the genitourinary system
Disorders of breast
GB23 — Certain specified disorders of breast
GB23.0 — Mammary duct ectasia

ICD-11 GB23.0 — Mammary duct ectasia

A condition of the breast, caused by lipid and cellular debris or secretory (such as colostrum) stasis, or a nonspecific duct widening process. This condition is characterised by obstruction and subsequent dilation of the lactiferous duct, periductal inflammation, periductal fibrosis, nipple retraction, inversion, pain, or bloody discharge from the nipple.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.