T58.2X1D

Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional), subsequent encounter

Billable / specificPOA exempt

T58.2X1D is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from T58)

  • asphyxiation from carbon monoxide
  • toxic effect of carbon monoxide from all sources
  • Note: Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • Note: The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
  • Note: When no intent is indicated code to accidental. Undetermined intent is only for use when there is specific documentation in the record that the intent of the toxic effect cannot be determined.

Excludes1

Not coded here — never report together with this code.

  • contact with and (suspected) exposure to toxic substances (Z77.-) (from T58)

Excludes2

Not included here — may be reported together when both conditions exist.

Use additional code

Add a code to identify the following, if applicable.

  • code to identify any retained foreign body, if applicable (Z18.-) (from T58)
  • code(s): (from T58)
  • for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70) (from T58)
  • personal history of foreign body fully removed (Z87.821) (from T58)
  • to identify any retained foreign body, if applicable (Z18.-) (from T58)

7th character

The 7th character values that apply to this code (defined at T58). Use the placeholder "X" for missing positions.

CharacterMeaning
Ainitial encounter
Dsubsequent encounter
Ssequela

Parent code

  • T58.2X1Toxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional)Needs 7th char

Related codes

  • T58.2X1AToxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional), initial encounterBillable
  • T58.2X1SToxic effect of carbon monoxide from incomplete combustion of other domestic fuels, accidental (unintentional), sequelaBillable

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