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T58 Toxic effect of carbon monoxide

Part of Chapter 19: Injury, poisoning and certain other consequences of external causes , block Toxic effects of substances chiefly nonmedicinal as to source (T51-T65) .

Official Notes

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

Child Codes

Referenced By

Official notes on these codes cite T58.

FY 2027 effective October 1, 2026 · CDC NCHS and CMS