ICD-11 classes
16 Diseases of the genitourinary system
Disorders of breast
GB20 — Benign breast disease

ICD-11 GB20 — Benign breast disease

Any disease affecting females, characterised by benign, noncancerous lesions in the breast, leading to pathological changes to (and discomfort of) the breast or breast tissue.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code GB20 contains 7 clarifying diagnoses:

1. GB20.0 — Fibrocystic change
2. GB20.1 — Fibroadenosis of breast
3. GB21.0 — Breast abscess
   It contains 1 clarifying diagnosis.
4. GC7A — Disorders of breast augmentation
5. GC79 — Disorders of breast reduction
6. GB20.Y — Other specified benign breast disease
7. GB20.Z — Benign breast disease, unspecified