ICD-10-CM > N00-N99 > N60-N65 > N60 N60 Benign mammary dysplasia Non-Billable/Non-Specific Includes fibrocystic mastopathy Codes N60.0Solitary cyst of breastN60.01Solitary cyst of right breastN60.02Solitary cyst of left breastN60.09Solitary cyst of unspecified breastN60.1Diffuse cystic mastopathyN60.11Diffuse cystic mastopathy of right breastN60.12Diffuse cystic mastopathy of left breastN60.19Diffuse cystic mastopathy of unspecified breastN60.2Fibroadenosis of breastN60.21Fibroadenosis of right breastN60.22Fibroadenosis of left breastN60.29Fibroadenosis of unspecified breastN60.3Fibrosclerosis of breastN60.31Fibrosclerosis of right breastN60.32Fibrosclerosis of left breastN60.39Fibrosclerosis of unspecified breastN60.4Mammary duct ectasiaN60.41Mammary duct ectasia of right breastN60.42Mammary duct ectasia of left breastN60.49Mammary duct ectasia of unspecified breastN60.8Other benign mammary dysplasiasN60.81Other benign mammary dysplasias of right breastN60.82Other benign mammary dysplasias of left breastN60.89Other benign mammary dysplasias of unspecified breastN60.9Unspecified benign mammary dysplasiaN60.91Unspecified benign mammary dysplasia of right breastN60.92Unspecified benign mammary dysplasia of left breastN60.99Unspecified benign mammary dysplasia of unspecified breast