ICD-10 Diagnosis Code T65.821

Toxic effect of harmful algae and algae toxins, accidental

Diagnosis Code T65.821

ICD-10: T65.821
Short Description: Toxic effect of harmful algae and algae toxins, accidental
Long Description: Toxic effect of harmful algae and algae toxins, accidental (unintentional)
This is the 2017 version of the ICD-10-CM diagnosis code T65.821

Not Valid for Submission
The code T65.821 is a "header" and not valid for submission for HIPAA-covered transactions.

Code Classification
  • Injury, poisoning and certain other consequences of external causes (S00–T98)
    • Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
      • Toxic effect of other and unspecified substances (T65)

Information for Medical Professionals

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Index of Diseases and Injuries
References found for the code T65.821 in the Index of Diseases and Injuries:


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