T58.8X3ABillable

Toxic effect of carbon monoxide from other source, assault, initial encounter

Short description: Toxic effect of carb monx from oth source, assault, init

Chapter
19. Injury, poisoning and certain other consequences of external causes
Category
T58
Effective date
October 1, 2026

Related codes in category T58

Frequently asked questions

What is ICD-10 code T58.8X3A?

T58.8X3A is an ICD-10-CM diagnosis code for Toxic effect of carbon monoxide from other source, assault, initial encounter.

Is T58.8X3A a billable code?

Yes. T58.8X3A is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is T58.8X3A in?

T58.8X3A falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T58.8X3A become effective?

T58.8X3A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T58.8X3A?

T58.8X3A belongs to category T58, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.