610 Benign mammary dysplasias 
610.0 Solitary cyst of breast convert 610.0 to ICD-10-CM 610.1 Diffuse cystic mastopathy convert 610.1 to ICD-10-CM 610.2 Fibroadenosis of breast convert 610.2 to ICD-10-CM 610.3 Fibrosclerosis of breast convert 610.3 to ICD-10-CM 610.4 Mammary duct ectasia convert 610.4 to ICD-10-CM 610.8 Other specified benign mammary dysplasias convert 610.8 to ICD-10-CM
610.9 Benign mammary dysplasia unspecified convert 610.9 to ICD-10-CM