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 T51-T65 – Toxic effects of substances chiefly nonmedicinal as to source (T51-T65) > 2024 ICD-10-CM Codes T57 – Toxic effect of other inorganic substances (T57) > 2024 ICD-10-CM Codes T57.3 – Toxic effect of hydrogen cyanide > 2024 ICD-10-CM Codes T57.3X – Toxic effect of hydrogen cyanide (T57.3X) > 2024 ICD-10-CM Codes T57.3X4 – Toxic effect of hydrogen cyanide, undetermined