| S20319D | Abrasion of unspecified front wall of thorax, subsequent encounter |
| S20319S | Abrasion of unspecified front wall of thorax, sequela |
| S2032 | Blister (nonthermal) of front wall of thorax |
| S20321 | Blister (nonthermal) of right front wall of thorax |
| S20321A | Blister (nonthermal) of right front wall of thorax, initial encounter |
| S20321D | Blister (nonthermal) of right front wall of thorax, subsequent encounter |
| S20321S | Blister (nonthermal) of right front wall of thorax, sequela |
| S20322 | Blister (nonthermal) of left front wall of thorax |
| S20322A | Blister (nonthermal) of left front wall of thorax, initial encounter |
| S20322D | Blister (nonthermal) of left front wall of thorax, subsequent encounter |
| S20322S | Blister (nonthermal) of left front wall of thorax, sequela |
| S20323 | Blister (nonthermal) of bilateral front wall of thorax |
| S20323A | Blister (nonthermal) of bilateral front wall of thorax, init Blister (nonthermal) of bilateral front wall of thorax, initial encounter |
| S20323D | Blister (nonthermal) of bilateral front wall of thorax, subs Blister (nonthermal) of bilateral front wall of thorax, subsequent encounter |
| S20323S | Blister (nonthermal) of bilateral front wall of thorax, sequela |
| S20324 | Blister (nonthermal) of middle front wall of thorax |
| S20324A | Blister (nonthermal) of middle front wall of thorax, initial encounter |
| S20324D | Blister (nonthermal) of middle front wall of thorax, subsequent encounter |
| S20324S | Blister (nonthermal) of middle front wall of thorax, sequela Blister (nonthermal) of middle front wall of thorax, sequela |
| S20329 | Blister (nonthermal) of unspecified front wall of thorax |
| S20329A | Blister (nonthermal) of unspecified front wall of thorax, initial encounter |
| S20329D | Blister (nonthermal) of unspecified front wall of thorax, subsequent encounter |
| S20329S | Blister (nonthermal) of unspecified front wall of thorax, sequela |
| S2034 | External constriction of front wall of thorax |
| S20341 | External constriction of right front wall of thorax |
| S20341A | External constriction of right front wall of thorax, initial encounter |
| S20341D | External constriction of right front wall of thorax, subsequent encounter |
| S20341S | External constriction of right front wall of thorax, sequela External constriction of right front wall of thorax, sequela |
| S20342 | External constriction of left front wall of thorax |
| S20342A | External constriction of left front wall of thorax, initial encounter |
| S20342D | External constriction of left front wall of thorax, subsequent encounter |
| S20342S | External constriction of left front wall of thorax, sequela |
| S20343 | External constriction of bilateral front wall of thorax |
| S20343A | External constriction of bilateral front wall of thorax, initial encounter |
| S20343D | External constriction of bilateral front wall of thorax, subsequent encounter |
| S20343S | External constriction of bilateral front wall of thorax, sequela |
| S20344 | External constriction of middle front wall of thorax |
| S20344A | External constriction of middle front wall of thorax, initial encounter |
| S20344D | External constriction of middle front wall of thorax, subsequent encounter |
| S20344S | External constriction of middle front wall of thorax, sequela |
| S20349 | External constriction of unspecified front wall of thorax |
| S20349A | External constriction of unspecified front wall of thorax, initial encounter |
| S20349D | External constriction of unspecified front wall of thorax, subsequent encounter |
| S20349S | External constriction of unspecified front wall of thorax, sequela |
| S2035 | Superficial foreign body of front wall of thorax |
| S20351 | Superficial foreign body of right front wall of thorax |
| S20351A | Superficial foreign body of right front wall of thorax, init Superficial foreign body of right front wall of thorax, initial encounter |
| S20351D | Superficial foreign body of right front wall of thorax, subs Superficial foreign body of right front wall of thorax, subsequent encounter |
| S20351S | Superficial foreign body of right front wall of thorax, sequela |
| S20352 | Superficial foreign body of left front wall of thorax |