ICD-10-CM > N00-N99 > N60-N65 > N64 N64 Other disorders of breast Non-Billable/Non-Specific Type 2 Excludes mechanical complication of breast prosthesis and implant (T85.4-) Codes N64.0Fissure and fistula of nippleN64.1Fat necrosis of breastN64.2Atrophy of breastN64.3Galactorrhea not associated with childbirthN64.4MastodyniaN64.5Other signs and symptoms in breastN64.51Induration of breastN64.52Nipple dischargeN64.53Retraction of nippleN64.59Other signs and symptoms in breastN64.8Other specified disorders of breastN64.81Ptosis of breastN64.82Hypoplasia of breastN64.89Other specified disorders of breastN64.9Disorder of breast, unspecified
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