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 S21 – Open wound of thorax (S21) > 2024 ICD-10-CM Codes S21.0 – Open wound of breast (S21.0) > 2024 ICD-10-CM Codes S21.04 – Puncture wound with foreign body of breast (S21.04) > 2024 ICD-10-CM Codes S21.042 – Puncture wound with foreign body of left breast