Billable / Specific Code
ICD-10-CM T50.A25 is the diagnosis code for Adverse effect of mixed bacterial vaccines without a pertussis component. 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.A25 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, T50.A25 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
T50.A25 is the ICD-10-CM diagnosis code for "Adverse effect of mixed bacterial vaccines without a pertussis component". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of T50.A25 is T50.A2 ("Poisoning by, adverse effect of and underdosing of mixed bacterial vaccines without a pertussis component"). T50.A25 provides a more specific classification within this category.
T50.A25 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.A25 when the patients documented diagnosis matches "Adverse effect of mixed bacterial vaccines without a pertussis component" 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 Adverse effect of mixed bacterial vaccines without a pertussis component is T50.A25.
Yes, T50.A25 can be used as a primary diagnosis code since it is billable and specific.
T50.A25 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, T50.A25 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.