Free Medical Coding > ICD10 CM > 2024 ICD-10-CM Codes > 2024 ICD-10-CM Codes S00-T88 – Injury, poisoning and certain other consequences of external causes (S00-T88) > 2024 ICD-10-CM Codes S20-S29 – Injuries to the thorax (S20-S29) > 2024 ICD-10-CM Codes S20 – Superficial injury of thorax (S20) > 2024 ICD-10-CM Codes S20.4 – Other and unspecified superficial injuries of back wall of thorax (S20.4) > 2024 ICD-10-CM Codes S20.45 – Superficial foreign body of back wall of thorax (S20.45) > 2024 ICD-10-CM Codes S20.459 – Superficial foreign body of unspecified back wall of thorax