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

What this means — in plain language

MedlinePlus · NIH

Carbon monoxide (CO) is a gas that has no odor or color. But it is very dangerous. It can cause sudden illness and death. CO is found in combustion fumes, such as those made by cars and trucks, lanterns, stoves, gas ranges and heating systems. CO from these fumes can build up in places that don't have a good flow of fresh air. You can be poisoned by breathing them in. The most common symptoms of CO poisoning are:…

Read more about Carbon Monoxide Poisoning at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

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

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

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.

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