Icd 10 code for benign mammary dysplasia July 8, 2019 16 32 64 128 Icd 10 code for benign mammary dysplasias of unspecified breast Icd 10 code for unspecified benign mammary dysplasia of left breast Icd 10 code for unspecified benign mammary dysplasia of right breast Benign mammary dysplasia icd 10