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- S20.101 Unspecified superficial injuries of breast, right breast
- S20.102 Unspecified superficial injuries of breast, left breast
- S20.109 Unspecified superficial injuries of breast, unspecified breast
- S20.11 Abrasion of breast
- S20.111 Abrasion of breast, right breast
- S20.112 Abrasion of breast, left breast
- S20.119 Abrasion of breast, unspecified 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
- S20.14 External constriction of part of breast
- S20.141 External constriction of part of breast, right breast
- S20.142 External constriction of part of breast, left breast
- S20.149 External constriction of part of breast, unspecified breast
- S20.15 Superficial foreign body of breast
- Splinter in the breast
- S20.151 Superficial foreign body of breast, right breast
- S20.152 Superficial foreign body of breast, left breast
- S20.159 Superficial foreign body of breast, unspecified breast
- S20.16 Insect bite (nonvenomous) of breast
- S20.161 Insect bite (nonvenomous) of breast, right breast
- S20.162 Insect bite (nonvenomous) of breast, left breast
- S20.169 Insect bite (nonvenomous) of breast, unspecified breast
- S20.17 Other superficial bite of breast
- Excludes1: open bite of breast (S21.05-)
- S20.171 Other superficial bite of breast, right breast
- S20.172 Other superficial bite of breast, left breast
- S20.179 Other superficial bite of breast, unspecified breast
- S20.2 Contusion of thorax
- S20.20 Contusion of thorax, unspecified
- S20.21 Contusion of front wall of thorax
- S20.