Algae ICD-10-CM Codes

From the ICD-10-CM 2027 Table of Drugs and Chemicals. Codes for poisoning, adverse effects and underdosing. Each code takes a 7th character: A (initial encounter), D (subsequent encounter) or S (sequela). Full Table of Drugs and Chemicals

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TermPoisoning, accidentalPoisoning, self-harmPoisoning, assaultPoisoning, undeterminedAdverse effectUnderdosing
Algae (harmful) (toxin)T65.821T65.822T65.823T65.824----

What the Algae codes mean

  • T65.821 Toxic effect of harmful algae and algae toxins, accidental (unintentional)
  • T65.822 Toxic effect of harmful algae and algae toxins, intentional self-harm
  • T65.823 Toxic effect of harmful algae and algae toxins, assault
  • T65.824 Toxic effect of harmful algae and algae toxins, undetermined