Get started free

T58

Non-billable

Toxic effect of carbon monoxide

T58 is the ICD-10-CM code for Toxic effect of carbon monoxide. It is a non-billable category code — use a more specific child code such as T58.0 for billing.

Status
Header (non-billable)
Chapter
S00-T88
Subcodes
5
Edition
FY2026

S00-T88 Injury, poisoning and certain other consequences of external causes

Includes

  • •asphyxiation from carbon monoxide
  • •toxic effect of carbon monoxide from all sources

Frequently asked questions

What is ICD-10 code T58?
T58 is the ICD-10-CM code for "Toxic effect of carbon monoxide". It falls under S00-T88 Injury, poisoning and certain other consequences of external causes.
Is T58 a billable code?
No — T58 is a non-billable header code. Use a more specific child code (such as T58.0) for billing.
What are the subcodes of T58?
T58 has 5 more specific child codes, including T58.0, T58.1, T58.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.

Get started freeSee how Eleplan works →