Hx mastectomy icd 10 July 8, 2019 16 32 64 128 Hx right mastectomy icd 10 Hx left mastectomy icd 10 Hx double mastectomy icd 10 Hx of bilat mastectomy icd 10 Hx right breast mastectomy icd 10 Hx left breast mastectomy icd 10