ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 14  /  N60-N65

Disorders of breast (N60-N65)

Excludes1: disorders of breast associated with childbirth (O91-O92)
N60 Benign mammary dysplasia
Includes fibrocystic mastopathy
N60.0 Solitary cyst of breast
Cyst of breast
N60.01 Solitary cyst of right breast
N60.02 Solitary cyst of left breast
N60.09 Solitary cyst of unspecified breast
N60.1 Diffuse cystic mastopathy
Cystic breast
Fibrocystic disease of breast
Excludes1 diffuse cystic mastopathy with epithelial proliferation (N60.3-)
N60.11 Diffuse cystic mastopathy of right breast
age Adult: [15-124]
N60.12 Diffuse cystic mastopathy of left breast
age Adult: [15-124]
N60.19 Diffuse cystic mastopathy of unspecified breast
age Adult: [15-124]
N60.2 Fibroadenosis of breast
Adenofibrosis of breast
Excludes2 fibroadenoma of breast (D24.-)
N60.21 Fibroadenosis of right breast
N60.22 Fibroadenosis of left breast
N60.29 Fibroadenosis of unspecified breast
N60.3 Fibrosclerosis of breast
Cystic mastopathy with epithelial proliferation
N60.31 Fibrosclerosis of right breast
N60.32 Fibrosclerosis of left breast
N60.39 Fibrosclerosis of unspecified breast
N60.4 Mammary duct ectasia
N60.41 Mammary duct ectasia of right breast
N60.42 Mammary duct ectasia of left breast
N60.49 Mammary duct ectasia of unspecified breast
N60.8 Other benign mammary dysplasias
N60.81 Other benign mammary dysplasias of right breast
N60.82 Other benign mammary dysplasias of left breast
N60.89 Other benign mammary dysplasias of unspecified breast
N60.9 Unspecified benign mammary dysplasia
N60.91 Unspecified benign mammary dysplasia of right breast
N60.92 Unspecified benign mammary dysplasia of left breast
N60.99 Unspecified benign mammary dysplasia of unspecified breast
N61 Inflammatory disorders of breast
Excludes1 inflammatory carcinoma of breast (C50.9)
inflammatory disorder of breast associated with childbirth (O91.-)
neonatal infective mastitis (P39.0)
thrombophlebitis of breast [Mondor's disease] (I80.8)
N61.0 Mastitis without abscess
Infective mastitis (acute) (nonpuerperal) (subacute)
Mastitis (acute) (nonpuerperal) (subacute) NOS
Cellulitis (acute) (nonpuerperal) (subacute) of breast NOS
Cellulitis (acute) (nonpuerperal) (subacute) of nipple NOS
N61.1 Abscess of the breast and nipple
Abscess (acute) (chronic) (nonpuerperal) of areola
Abscess (acute) (chronic) (nonpuerperal) of breast
Carbuncle of breast
Mastitis with abscess
N61.2 Granulomatous mastitis
N61.20 Granulomatous mastitis, unspecified breast
N61.21 Granulomatous mastitis, right breast
N61.22 Granulomatous mastitis, left breast
N61.23 Granulomatous mastitis, bilateral breast
N62 Hypertrophy of breast
Gynecomastia
Hypertrophy of breast NOS
Massive pubertal hypertrophy of breast
Excludes1 breast engorgement of newborn (P83.4)
disproportion of reconstructed breast (N65.1)
N63 Unspecified lump in breast
Nodule(s) NOS in breast
N63.0 Unspecified lump in unspecified breast
N63.1 Unspecified lump in the right breast
N63.10 Unspecified lump in the right breast, unspecified quadrant
N63.11 Unspecified lump in the right breast, upper outer quadrant
N63.12 Unspecified lump in the right breast, upper inner quadrant
N63.13 Unspecified lump in the right breast, lower outer quadrant
N63.14 Unspecified lump in the right breast, lower inner quadrant
N63.15 Unspecified lump in the right breast, overlapping quadrants
N63.2 Unspecified lump in the left breast
N63.20 Unspecified lump in the left breast, unspecified quadrant
N63.21 Unspecified lump in the left breast, upper outer quadrant
N63.22 Unspecified lump in the left breast, upper inner quadrant
N63.23 Unspecified lump in the left breast, lower outer quadrant
N63.24 Unspecified lump in the left breast, lower inner quadrant
N63.25 Unspecified lump in the left breast, overlapping quadrants
N63.3 Unspecified lump in axillary tail
N63.31 Unspecified lump in axillary tail of the right breast
N63.32 Unspecified lump in axillary tail of the left breast
N63.4 Unspecified lump in breast, subareolar
N63.41 Unspecified lump in right breast, subareolar
N63.42 Unspecified lump in left breast, subareolar
N64 Other disorders of breast
Excludes2 mechanical complication of breast prosthesis and implant (T85.4-)
N64.0 Fissure and fistula of nipple
N64.1 Fat necrosis of breast
Fat necrosis (segmental) of breast
CodeFirst breast necrosis due to breast graft (T85.898)
nonPrimary Yes
N64.2 Atrophy of breast
N64.3 Galactorrhea not associated with childbirth
N64.4 Mastodynia
N64.5 Other signs and symptoms in breast
Excludes2 abnormal findings on diagnostic imaging of breast (R92.-)
N64.51 Induration of breast
N64.52 Nipple discharge
Excludes1 abnormal findings in nipple discharge (R89.-)
N64.53 Retraction of nipple
N64.59 Other signs and symptoms in breast
N64.8 Other specified disorders of breast
N64.81 Ptosis of breast
Excludes1 ptosis of native breast in relation to reconstructed breast (N65.1)
age Adult: [15-124]
N64.82 Hypoplasia of breast
Micromastia
Excludes1 congenital absence of breast (Q83.0)
hypoplasia of native breast in relation to reconstructed breast (N65.1)
age Adult: [15-124]
N64.89 Other specified disorders of breast
Galactocele
Subinvolution of breast (postlactational)
N64.9 Disorder of breast, unspecified
N65 Deformity and disproportion of reconstructed breast
N65.0 Deformity of reconstructed breast
Contour irregularity in reconstructed breast
Excess tissue in reconstructed breast
Misshapen reconstructed breast
age Adult: [15-124]
N65.1 Disproportion of reconstructed breast
Breast asymmetry between native breast and reconstructed breast
Disproportion between native breast and reconstructed breast
age Adult: [15-124]