ICD-10-CM > N00-N99 > N60-N65 > N60 > N60.8 N60.8 Other benign mammary dysplasias Non-Billable/Non-Specific Codes N60.81Other benign mammary dysplasias of right breastN60.82Other benign mammary dysplasias of left breastN60.89Other benign mammary dysplasias of unspecified breast