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 T36-T50 – Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50) > 2024 ICD-10-CM Codes T49 – Poisoning by, adverse effect of and underdosing of topical agents primarily affecting skin and mucous membrane and by ophthalmological, otorhinorlaryngological and dental drugs (T49) > 2024 ICD-10-CM Codes T49.9 – Poisoning by, adverse effect of and underdosing of unspecified topical agent (T49.9) > 2024 ICD-10-CM Codes T49.91 – Poisoning by unspecified topical agent, accidental (unintentional)