T58.8 Toxic effect of carbon monoxide from other source

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Toxic effect of carbon monoxide from other source is T58.8 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
T51-T65: Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
Category T58
28 codes (20 billable)
FY2026 Status
Stable since FY2024

Inclusion Terms

  • Toxic effect of carbon monoxide from blast furnace gas
  • Toxic effect of carbon monoxide from fuels in industrial use
  • Toxic effect of carbon monoxide from kiln vapor

Official Coding Guidelines

Sequence blood vessel/nerve injury first (fragment)

injury is to the blood vessels or nerves, that injury should be sequenced first.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.2
Do not assign injury codes for iatrogenic injuries; code complication

3) Iatrogenic injuries Injury codes from Chapter 19 should not be assigned for injuries that occur during, or as a result of, a medical intervention. Assign the appropriate complication code(s).

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.19.b.3

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

T58 Toxic effect of carbon monoxide

More Specific Codes

T58.8X Toxic effect of carbon monoxide from other source T58.8X1 Toxic effect of carbon monoxide from other source, accidental (unintentional) T58.8X2 Toxic effect of carbon monoxide from other source, intentional self-harm T58.8X3 Toxic effect of carbon monoxide from other source, assault T58.8X4 Toxic effect of carbon monoxide from other source, undetermined

Related Codes in T58

T58 Toxic effect of carbon monoxide T58.0 Toxic effect of carbon monoxide from motor vehicle exhaust T58.01 Toxic effect of carbon monoxide from motor vehicle exhaust, accidental (unintentional) T58.02 Toxic effect of carbon monoxide from motor vehicle exhaust, intentional self-harm T58.03 Toxic effect of carbon monoxide from motor vehicle exhaust, assault T58.04 Toxic effect of carbon monoxide from motor vehicle exhaust, undetermined T58.1 Toxic effect of carbon monoxide from utility gas T58.11 Toxic effect of carbon monoxide from utility gas, accidental (unintentional) T58.12 Toxic effect of carbon monoxide from utility gas, intentional self-harm T58.13 Toxic effect of carbon monoxide from utility gas, assault T58.14 Toxic effect of carbon monoxide from utility gas, undetermined T58.2 Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels T58.2X Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels T58.2X1 Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional) T58.2X2 Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, intentional self-harm T58.2X3 Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, assault T58.2X4 Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, undetermined T58.8X Toxic effect of carbon monoxide from other source T58.8X1 Toxic effect of carbon monoxide from other source, accidental (unintentional) T58.8X2 Toxic effect of carbon monoxide from other source, intentional self-harm
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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