| S20171 | Other superficial bite of breast, right breast |
| S20171A | Other superficial bite of breast, right breast, initial encounter |
| S20171D | Other superficial bite of breast, right breast, subsequent encounter |
| S20171S | Other superficial bite of breast, right breast, sequela |
| S20172 | Other superficial bite of breast, left breast |
| S20172A | Other superficial bite of breast, left breast, initial encounter |
| S20172D | Other superficial bite of breast, left breast, subsequent encounter |
| S20172S | Other superficial bite of breast, left breast, sequela |
| S20179 | Other superficial bite of breast, unspecified breast |
| S20179A | Other superficial bite of breast, unspecified breast, initial encounter |
| S20179D | Other superficial bite of breast, unspecified breast, subsequent encounter |
| S20179S | Other superficial bite of breast, unspecified breast, sequela |
| S202 | Contusion of thorax |
| S2020 | Contusion of thorax, unspecified |
| S2020XA | Contusion of thorax, unspecified, initial encounter |
| S2020XD | Contusion of thorax, unspecified, subsequent encounter |
| S2020XS | Contusion of thorax, unspecified, sequela |
| S2021 | Contusion of front wall of thorax |
| S20211 | Contusion of right front wall of thorax |
| S20211A | Contusion of right front wall of thorax, initial encounter |
| S20211D | Contusion of right front wall of thorax, subsequent encounter |
| S20211S | Contusion of right front wall of thorax, sequela |
| S20212 | Contusion of left front wall of thorax |
| S20212A | Contusion of left front wall of thorax, initial encounter |
| S20212D | Contusion of left front wall of thorax, subsequent encounter Contusion of left front wall of thorax, subsequent encounter |
| S20212S | Contusion of left front wall of thorax, sequela |
| S20213 | Contusion of bilateral front wall of thorax |
| S20213A | Contusion of bilateral front wall of thorax, initial encounter |
| S20213D | Contusion of bilateral front wall of thorax, subsequent encounter |
| S20213S | Contusion of bilateral front wall of thorax, sequela |
| S20214 | Contusion of middle front wall of thorax |
| S20214A | Contusion of middle front wall of thorax, initial encounter |
| S20214D | Contusion of middle front wall of thorax, subsequent encounter |
| S20214S | Contusion of middle front wall of thorax, sequela |
| S20219 | Contusion of unspecified front wall of thorax |
| S20219A | Contusion of unspecified front wall of thorax, initial encounter |
| S20219D | Contusion of unspecified front wall of thorax, subsequent encounter |
| S20219S | Contusion of unspecified front wall of thorax, sequela |
| S2022 | Contusion of back wall of thorax |
| S20221 | Contusion of right back wall of thorax |
| S20221A | Contusion of right back wall of thorax, initial encounter |
| S20221D | Contusion of right back wall of thorax, subsequent encounter Contusion of right back wall of thorax, subsequent encounter |
| S20221S | Contusion of right back wall of thorax, sequela |
| S20222 | Contusion of left back wall of thorax |
| S20222A | Contusion of left back wall of thorax, initial encounter |
| S20222D | Contusion of left back wall of thorax, subsequent encounter |
| S20222S | Contusion of left back wall of thorax, sequela |
| S20223 | Contusion of bilateral back wall of thorax |
| S20223A | Contusion of bilateral back wall of thorax, initial encounter |
| S20223D | Contusion of bilateral back wall of thorax, subsequent encounter |