T58.8
T58.8: Toxic effect of carbon monoxide from other source
Non-billable headerICD-10-CM
T58.8 is a non-billable header ICD-10-CM code for toxic effect of carbon monoxide from other source. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.
This code requires a 7th character
The appropriate 7th character is to be added to each code from category T58
- A
- initial encounter
- D
- subsequent encounter
- S
- sequela
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- 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
Other codes that can never be billed with T58.8
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead T58.8
1 child code. Green means billable.