| S2090 | Unspecified superficial injury of unspecified parts of thorax |
| S2090XA | Unsp superficial injury of unsp parts of thorax, init encntr Unspecified superficial injury of unspecified parts of thorax, initial encounter |
| S2090XD | Unsp superficial injury of unsp parts of thorax, subs encntr Unspecified superficial injury of unspecified parts of thorax, subsequent encounter |
| S2090XS | Unspecified superficial injury of unspecified parts of thorax, sequela |
| S2091 | Abrasion of unspecified parts of thorax |
| S2091XA | Abrasion of unspecified parts of thorax, initial encounter |
| S2091XD | Abrasion of unspecified parts of thorax, subsequent encounter |
| S2091XS | Abrasion of unspecified parts of thorax, sequela |
| S2092 | Blister (nonthermal) of unspecified parts of thorax |
| S2092XA | Blister (nonthermal) of unspecified parts of thorax, initial encounter |
| S2092XD | Blister (nonthermal) of unspecified parts of thorax, subsequent encounter |
| S2092XS | Blister (nonthermal) of unspecified parts of thorax, sequela Blister (nonthermal) of unspecified parts of thorax, sequela |
| S2094 | External constriction of unspecified parts of thorax |
| S2094XA | External constriction of unspecified parts of thorax, initial encounter |
| S2094XD | External constriction of unspecified parts of thorax, subsequent encounter |
| S2094XS | External constriction of unspecified parts of thorax, sequela |
| S2095 | Superficial foreign body of unspecified parts of thorax |
| S2095XA | Superficial foreign body of unspecified parts of thorax, initial encounter |
| S2095XD | Superficial foreign body of unspecified parts of thorax, subsequent encounter |
| S2095XS | Superficial foreign body of unspecified parts of thorax, sequela |
| S2096 | Insect bite (nonvenomous) of unspecified parts of thorax |
| S2096XA | Insect bite (nonvenomous) of unspecified parts of thorax, initial encounter |
| S2096XD | Insect bite (nonvenomous) of unspecified parts of thorax, subsequent encounter |
| S2096XS | Insect bite (nonvenomous) of unspecified parts of thorax, sequela |
| S2097 | Other superficial bite of unspecified parts of thorax |
| S2097XA | Other superficial bite of unspecified parts of thorax, initial encounter |
| S2097XD | Other superficial bite of unspecified parts of thorax, subsequent encounter |
| S2097XS | Other superficial bite of unspecified parts of thorax, sequela |
| S21 | Open wound of thorax |
| S210 | Open wound of breast |
| S2100 | Unspecified open wound of breast |
| S21001 | Unspecified open wound of right breast |
| S21001A | Unspecified open wound of right breast, initial encounter |
| S21001D | Unspecified open wound of right breast, subsequent encounter Unspecified open wound of right breast, subsequent encounter |
| S21001S | Unspecified open wound of right breast, sequela |
| S21002 | Unspecified open wound of left breast |
| S21002A | Unspecified open wound of left breast, initial encounter |
| S21002D | Unspecified open wound of left breast, subsequent encounter |
| S21002S | Unspecified open wound of left breast, sequela |
| S21009 | Unspecified open wound of unspecified breast |
| S21009A | Unspecified open wound of unspecified breast, initial encounter |
| S21009D | Unspecified open wound of unspecified breast, subsequent encounter |
| S21009S | Unspecified open wound of unspecified breast, sequela |
| S2101 | Laceration without foreign body of breast |
| S21011 | Laceration without foreign body of right breast |
| S21011A | Laceration without foreign body of right breast, init encntr Laceration without foreign body of right breast, initial encounter |
| S21011D | Laceration without foreign body of right breast, subs encntr Laceration without foreign body of right breast, subsequent encounter |
| S21011S | Laceration without foreign body of right breast, sequela |
| S21012 | Laceration without foreign body of left breast |
| S21012A | Laceration without foreign body of left breast, initial encounter |