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 S23 – Dislocation and sprain of joints and ligaments of thorax (S23) > 2024 ICD-10-CM Codes S23.4 – Sprain of ribs and sternum (S23.4) > 2024 ICD-10-CM Codes S23.42 – Sprain of sternum (S23.42) > 2024 ICD-10-CM Codes S23.429 – Unspecified sprain of sternum