Table of Drugs and Chemicals
HCN
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 HCN?
Per the ICD-10-CM Table of Drugs and Chemicals: poisoning, accidental T57.3X1; poisoning, intentional self-harm T57.3X2; poisoning, assault T57.3X3; poisoning, undetermined T57.3X4. 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.