T58.2X4Header code — not billable

Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, undetermined

Short description: Toxic eff of carb monx from incmpl combst dmst fuel, undet

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

Related codes in category T58

T58Toxic effect of carbon monoxideT58.0Toxic effect of carbon monoxide from motor vehicle exhaustT58.01Toxic effect of carb monx from mtr veh exhaust, accidentalT58.01XAToxic effect of carb monx from mtr veh exhaust, acc, initYesT58.01XDToxic effect of carb monx from mtr veh exhaust, acc, subsYesT58.01XSToxic effect of carb monx from mtr veh exhaust, acc, sqlaYesT58.02Toxic effect of carb monx from mtr veh exhaust, self-harmT58.02XAToxic eff of carb monx from mtr veh exhaust, slf-hrm, initYesT58.02XDToxic eff of carb monx from mtr veh exhaust, slf-hrm, subsYesT58.02XSToxic eff of carb monx from mtr veh exhaust, slf-hrm, sqlaYesT58.03Toxic effect of carb monx from mtr veh exhaust, assaultT58.03XAToxic effect of carb monx from mtr veh exhaust, asslt, initYes

Frequently asked questions

What is ICD-10 code T58.2X4?

T58.2X4 is an ICD-10-CM diagnosis code for Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, undetermined.

Is T58.2X4 a billable code?

No. T58.2X4 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is T58.2X4 in?

T58.2X4 falls under Chapter 19: Injury, poisoning and certain other consequences of external causes.

When did T58.2X4 become effective?

T58.2X4 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to T58.2X4?

T58.2X4 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.