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 T38 – Poisoning by, adverse effect of and underdosing of hormones and their synthetic substitutes and antagonists, not elsewhere classified (T38) > 2024 ICD-10-CM Codes T38.4 – Poisoning by, adverse effect of and underdosing of oral contraceptives > 2024 ICD-10-CM Codes T38.4X – Poisoning by, adverse effect of and underdosing of oral contraceptives (T38.4X) > 2024 ICD-10-CM Codes T38.4X1 – Poisoning by oral contraceptives, accidental (unintentional)