ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 14  /  N60-N65  /  N64
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