Diseases of the genitourinary system (N00-N99)
Excludes 2: certain conditions originating in the perinatal period (P04-P96)
Disorders of breast (N60-N65)
Excludes 1: disorders of breast associated with childbirth (O91-O92)
N60 Benign mammary dysplasia [+]
Includes: fibrocystic mastopathy
N60.0 Solitary 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 [+]
Excludes 1: diffuse cystic mastopathy with epithelial proliferation (N60.3-)
N60.11 Diffuse cystic mastopathy of right breast
N60.12 Diffuse cystic mastopathy of left breast
N60.19 Diffuse cystic mastopathy of unspecified breast
N60.2 Fibroadenosis of breast [+]
Excludes 2: 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 [+]
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 [+]
Excludes 1: inflammatory carcinoma of breast (C50.9)
N61.0 Mastitis without abscess
N61.1 Abscess of the breast and nipple
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
Excludes 1: breast engorgement of newborn (P83.4)
N63 Unspecified lump 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 [+]
Excludes 2: mechanical complication of breast prosthesis and implant (T85.4-)
N64.0 Fissure and fistula of nipple
N64.1 Fat necrosis of breast
Code first breast necrosis due to breast graft (T85.898)
N64.2 Atrophy of breast
N64.3 Galactorrhea not associated with childbirth
N64.4 Mastodynia
N64.5 Other signs and symptoms in breast [+]
Excludes 2: abnormal findings on diagnostic imaging of breast (R92.-)
N64.51 Induration of breast
N64.52 Nipple discharge
Excludes 1: 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
Excludes 1: ptosis of native breast in relation to reconstructed breast (N65.1)
N64.82 Hypoplasia of breast
Excludes 1: congenital absence of breast (Q83.0)
N64.89 Other specified disorders of breast
N64.9 Disorder of breast, unspecified
N65 Deformity and disproportion of reconstructed breast [+]
N65.0 Deformity of reconstructed breast
N65.1 Disproportion of reconstructed breast
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The ICD-10 Diagnosis Codes are based on the latest diagnosis coding files (2021 ICD-10-CM and 2018 GEMs ).
The ICD-10 Procedure Codes are based on the latest procedure coding files (2021 ICD-10-PCS and 2018 GEMs ).