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 S20.1 – Other and unspecified superficial injuries of breast (S20.1) > 2024 ICD-10-CM Codes S20.12 – Blister (nonthermal) of breast (S20.12) > 2024 ICD-10-CM Codes S20.122 – Blister (nonthermal) of breast, left breast