T51-T65

Toxic effects of substances chiefly nonmedicinal as to source

Toxic effects of substances chiefly nonmedicinal as to source (T51-T65) is a block within ICD-10-CM Chapter 19: Injury, poisoning and certain other consequences of external causes. It holds 15 categories.

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

  • contact with and (suspected) exposure to toxic substances (Z77.-)

Use additional code

Report an additional code to identify the associated condition.

  • code(s):
  • for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70)
  • personal history of foreign body fully removed (Z87.821)
  • to identify any retained foreign body, if applicable (Z18.-)

Notes

  • When no intent is indicated code to accidental. Undetermined intent is only for use when there is specific documentation in the record that the intent of the toxic effect cannot be determined.

Categories in T51-T65

Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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