All ICD10 Codes

T58

Non-Billable
ChapterS00–T88
Rankcategory
Official Description

Toxic effect of carbon monoxide

Use a more specific code (0 billable, 5 non-billable)
T58.0Toxic effect of carbon monoxide from motor vehicle exhausthas subcodesT58.1Toxic effect of carbon monoxide from utility gashas subcodesT58.2Toxic effect of carbon monoxide from incomplete combustion of other domestic fuelshas subcodesT58.8Toxic effect of carbon monoxide from other sourcehas subcodesT58.9Toxic effect of carbon monoxide from unspecified sourcehas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 19: Injury, Poisoning and Certain Other Consequences of External Causes (S00-T88).

CH19 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
Use Additional Code
  • code to identify any retained foreign body, if applicable (Z18.-)

T51-T65 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • contact with and (suspected) exposure to toxic substances (Z77.-)
Use Additional Code
  • 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.-)

Instructional Notes

Includes
  • asphyxiation from carbon monoxide
  • toxic effect of carbon monoxide from all sources

Clinical Hierarchy

BillableHas subcodes
CH19Injury, poisoning and certain other consequences of external causes (S00-T88)
T51-T65Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
T58Toxic effect of carbon monoxideNot billable
T58.0Toxic effect of carbon monoxide from motor vehicle exhaustSubcodes
T58.1Toxic effect of carbon monoxide from utility gasSubcodes
T58.2Toxic effect of carbon monoxide from incomplete combustion of other domestic fuelsSubcodes
T58.8Toxic effect of carbon monoxide from other sourceSubcodes
T58.9Toxic effect of carbon monoxide from unspecified sourceSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to T58:

blockT51-T65
Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
View context instructions
chapterCH19
Injury, poisoning and certain other consequences of external causes (S00-T88)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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