S20.12 - Blister (nonthermal) of breast S20.1 - Other and unspecified superficial injuries of breast S20.12 - Blister (nonthermal) of breast S20.121 - Blister (nonthermal) of breast, right breast S20.122 - Blister (nonthermal) of breast, left breast S20.129 - Blister (nonthermal) of breast, unspecified breast