Chapter XIV

Diseases of the genitourinary system

Disorders of breast

Excludes: disorders of breast associated with childbirth ( O91-O92 )

N60 Benign mammary dysplasia
Includes: fibrocystic mastopathy
N60.0 Solitary cyst of breast
Cyst of breast
N60.1 Diffuse cystic mastopathy
Cystic breast
Excludes: with epithelial proliferation ( N60.3 )
N60.2 Fibroadenosis of breast
Excludes: fibroadenoma of breast ( D24 )
N60.3 Fibrosclerosis of breast
Cystic mastopathy with epithelial proliferation
N60.4 Mammary duct ectasia
N60.8 Other benign mammary dysplasias
N60.9 Benign mammary dysplasia, unspecified

N61 Inflammatory disorders of breast
Abscess (acute)(chronic)(nonpuerperal) of:
· areola
· breast
Carbuncle of breast
Mastitis (acute)(subacute)(nonpuerperal):
· infective
Excludes: neonatal infective mastitis ( P39.0 )

N62 Hypertrophy of breast
Hypertrophy of breast:
· massive pubertal

N63 Unspecified lump in breast
Nodule(s) NOS in breast

N64 Other disorders of breast
N64.0 Fissure and fistula of nipple
N64.1 Fat necrosis of breast
Fat necrosis (segmental) of breast
N64.2 Atrophy of breast
N64.3 Galactorrhoea not associated with childbirth
N64.4 Mastodynia
N64.5 Other signs and symptoms in breast
Induration of breast
Nipple discharge
Retraction of nipple
N64.8 Other specified disorders of breast
Subinvolution of breast (postlactational)
N64.9 Disorder of breast, unspecified