Billable / Specific Code
ICD-10-CM T50.B91 is the diagnosis code for Poisoning by other viral vaccines, accidental (unintentional). This code falls under the section "Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances" 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.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where T50.B91 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, T50.B91 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
T50.B91 is the ICD-10-CM diagnosis code for "Poisoning by other viral vaccines, accidental (unintentional)". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of T50.B91 is T50.B9 ("Poisoning by, adverse effect of and underdosing of other viral vaccines"). T50.B91 provides a more specific classification within this category.
T50.B91 is located in Section T36-T50 — "Poisoning by, adverse effect of and underdosing of drugs, medicaments and biological substances" within Chapter 19 of the ICD-10-CM Tabular List.
Use T50.B91 when the patients documented diagnosis matches "Poisoning by other viral vaccines, 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 Poisoning by other viral vaccines, accidental (unintentional) is T50.B91.
Yes, T50.B91 can be used as a primary diagnosis code since it is billable and specific.
T50.B91 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, T50.B91 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.