Non-Billable / Non-Specific Code
ICD-10-CM T64 is the diagnosis code for Toxic effect of aflatoxin and other mycotoxin food contaminants. 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 non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. 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 T64 sits in the ICD-10-CM classification helps ensure proper coding:
No, T64 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
T64 is the ICD-10-CM diagnosis code for "Toxic effect of aflatoxin and other mycotoxin food contaminants". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
T64 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.
T64 has 2 sub-code(s) that provide more specific detail: T64.0, T64.8.
Use T64 when the patients documented diagnosis matches "Toxic effect of aflatoxin and other mycotoxin food contaminants" 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 aflatoxin and other mycotoxin food contaminants is T64.
No, T64 is non-billable. Use a more specific sub-code for primary diagnosis billing.
T64 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, T64 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.