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ICD-10-CM Current in FY 2027

T58

Toxic effect of carbon monoxide

Release
FY 2027
Effective

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files.

Includes

asphyxiation from carbon monoxide

Includes

toxic effect of carbon monoxide from all sources

7th Character

The appropriate 7th character is to be added to each code from category T58

7th Character

A - initial encounter

7th Character

D - subsequent encounter

7th Character

S - sequela

More Specific Codes

5 codes under T58

Version History

How T58 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Toxic effect of carbon monoxide

  2. FY 2026 Effective

    Unchanged

    Toxic effect of carbon monoxide

Codes whose official notes reference T58

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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