N603-char group

Benign mammary dysplasia

⇄ Primary-code rule changed vs QĐ4469

Coding rules (TT06)

●Avoid — more specific 4-5 char codes exist (see below)

Coding guidance (WHO 2019)

Incl.: fibrocystic mastopathy

Codes within N60

N60.0Solitary cyst of breast N60.1Diffuse cystic mastopathy N60.2Fibroadenosis of breast N60.3Fibrosclerosis of breast N60.4Mammary duct ectasia N60.8Other benign mammary dysplasias N60.9Benign mammary dysplasia, unspecified