Skip to content

Table of Drugs and Chemicals

Algae (harmful) (toxin)

SubstancePoisoning, accidentalPoisoning, intentional self-harmPoisoning, assaultPoisoning, undeterminedAdverse effectUnderdosing
Algae (harmful) (toxin)T65.821T65.822T65.823T65.824
Use the index to find a code, then confirm it in the Tabular List before assigning it. A code ending in a dash is incomplete, and a code in [brackets] is a manifestation code reported after the underlying condition. Search the whole index.

Frequently asked questions

What are the ICD-10-CM codes for Algae?

Per the ICD-10-CM Table of Drugs and Chemicals: poisoning, accidental T65.821; poisoning, intentional self-harm T65.822; poisoning, assault T65.823; poisoning, undetermined T65.824. Always confirm the code, and add the required 7th character where applicable, in the Tabular List.

ICD-10-CM Table of Drugs and Chemicals maintained by CDC/NCHS (public domain), from the CMS FY2027 release.