Billable / Specific Code
ICD-10-CM T45.511 is the diagnosis code for Poisoning by anticoagulants, 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.
Understanding where T45.511 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, T45.511 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
T45.511 is the ICD-10-CM diagnosis code for "Poisoning by anticoagulants, accidental (unintentional)". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of T45.511 is T45.51 ("Poisoning by, adverse effect of and underdosing of anticoagulants"). T45.511 provides a more specific classification within this category.
T45.511 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 T45.511 when the patients documented diagnosis matches "Poisoning by anticoagulants, 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 anticoagulants, accidental (unintentional) is T45.511.
Yes, T45.511 can be used as a primary diagnosis code since it is billable and specific.
T45.511 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, T45.511 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.