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 T65 – Toxic effect of other and unspecified substances (T65) > 2024 ICD-10-CM Codes T65.9 – Toxic effect of unspecified substance (T65.9) > 2024 ICD-10-CM Codes T65.94 – Toxic effect of unspecified substance, undetermined (T65.94)