Billable / Specific Code
ICD-10-CM T63.191 is the diagnosis code for Toxic effect of venom of other reptiles, accidental (unintentional). This code falls under the section "Toxic effects of substances chiefly nonmedicinal as to source" within Chapter 19 — Injury, poisoning and certain other consequences of external causes (S00-T88). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where T63.191 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, T63.191 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
T63.191 is the ICD-10-CM diagnosis code for "Toxic effect of venom of other reptiles, accidental (unintentional)". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of T63.191 is T63.19 ("Toxic effect of venom of other reptiles"). T63.191 provides a more specific classification within this category.
T63.191 is located in Section T51-T65 — "Toxic effects of substances chiefly nonmedicinal as to source" within Chapter 19 of the ICD-10-CM Tabular List.
Use T63.191 when the patients documented diagnosis matches "Toxic effect of venom of other reptiles, accidental (unintentional)" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Toxic effect of venom of other reptiles, accidental (unintentional) is T63.191.
Yes, T63.191 can be used as a primary diagnosis code since it is billable and specific.
T63.191 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, T63.191 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.