| S20121D | Blister (nonthermal) of breast, right breast, subsequent encounter |
| S20121S | Blister (nonthermal) of breast, right breast, sequela |
| S20122 | Blister (nonthermal) of breast, left breast |
| S20122A | Blister (nonthermal) of breast, left breast, initial encounter |
| S20122D | Blister (nonthermal) of breast, left breast, subsequent encounter |
| S20122S | Blister (nonthermal) of breast, left breast, sequela |
| S20129 | Blister (nonthermal) of breast, unspecified breast |
| S20129A | Blister (nonthermal) of breast, unspecified breast, initial encounter |
| S20129D | Blister (nonthermal) of breast, unspecified breast, subsequent encounter |
| S20129S | Blister (nonthermal) of breast, unspecified breast, sequela |
| S2014 | External constriction of part of breast |
| S20141 | External constriction of part of breast, right breast |
| S20141A | External constriction of part of breast, right breast, initial encounter |
| S20141D | External constriction of part of breast, right breast, subsequent encounter |
| S20141S | External constriction of part of breast, right breast, sequela |
| S20142 | External constriction of part of breast, left breast |
| S20142A | External constriction of part of breast, left breast, initial encounter |
| S20142D | External constriction of part of breast, left breast, subsequent encounter |
| S20142S | External constriction of part of breast, left breast, sequela |
| S20149 | External constriction of part of breast, unspecified breast |
| S20149A | External constriction of part of breast, unspecified breast, initial encounter |
| S20149D | External constriction of part of breast, unspecified breast, subsequent encounter |
| S20149S | External constriction of part of breast, unspecified breast, sequela |
| S2015 | Superficial foreign body of breast |
| S20151 | Superficial foreign body of breast, right breast |
| S20151A | Superficial foreign body of breast, right breast, initial encounter |
| S20151D | Superficial foreign body of breast, right breast, subsequent encounter |
| S20151S | Superficial foreign body of breast, right breast, sequela |
| S20152 | Superficial foreign body of breast, left breast |
| S20152A | Superficial foreign body of breast, left breast, init encntr Superficial foreign body of breast, left breast, initial encounter |
| S20152D | Superficial foreign body of breast, left breast, subs encntr Superficial foreign body of breast, left breast, subsequent encounter |
| S20152S | Superficial foreign body of breast, left breast, sequela |
| S20159 | Superficial foreign body of breast, unspecified breast |
| S20159A | Superficial foreign body of breast, unsp breast, init encntr Superficial foreign body of breast, unspecified breast, initial encounter |
| S20159D | Superficial foreign body of breast, unsp breast, subs encntr Superficial foreign body of breast, unspecified breast, subsequent encounter |
| S20159S | Superficial foreign body of breast, unspecified breast, sequela |
| S2016 | Insect bite (nonvenomous) of breast |
| S20161 | Insect bite (nonvenomous) of breast, right breast |
| S20161A | Insect bite (nonvenomous) of breast, right breast, initial encounter |
| S20161D | Insect bite (nonvenomous) of breast, right breast, subsequent encounter |
| S20161S | Insect bite (nonvenomous) of breast, right breast, sequela |
| S20162 | Insect bite (nonvenomous) of breast, left breast |
| S20162A | Insect bite (nonvenomous) of breast, left breast, initial encounter |
| S20162D | Insect bite (nonvenomous) of breast, left breast, subsequent encounter |
| S20162S | Insect bite (nonvenomous) of breast, left breast, sequela |
| S20169 | Insect bite (nonvenomous) of breast, unspecified breast |
| S20169A | Insect bite (nonvenomous) of breast, unspecified breast, initial encounter |
| S20169D | Insect bite (nonvenomous) of breast, unspecified breast, subsequent encounter |
| S20169S | Insect bite (nonvenomous) of breast, unspecified breast, sequela |
| S2017 | Other superficial bite of breast |