2019 ICD-10-CM Diagnosis Code T58.94XA

Toxic effect of carbon monoxide from unspecified source, undetermined, initial encounter

The following code(s) above T58.94XA contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to T58.94XA:
  • S00-T88
    2019 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    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
    Type 1 Excludes
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    Injury, poisoning and certain other consequences of external causes
  • T51-T65
    2019 ICD-10-CM Range T51-T65

    Toxic effects of substances chiefly nonmedicinal as to source

    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.
    Type 1 Excludes
    • contact with and (suspected) exposure to toxic substances (Z77.-)
    Use Additional
    • code(s):
    • for all associated manifestations of toxic effect, such as: respiratory conditions due to external agents (J60-J70)
    • personal history of foreign body fully removed (Z87.821)
    • to identify any retained foreign body, if applicable (Z18.-)
    Toxic effects of substances chiefly nonmedicinal as to source
  • T58
    ICD-10-CM Diagnosis Code T58

    Toxic effect of carbon monoxide

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Includes
    • asphyxiation from carbon monoxide
    • toxic effect of carbon monoxide from all sources
    Toxic effect of carbon monoxide
ICD-10-CM T58.94XA is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):

Convert T58.94XA to ICD-9-CM

Code History
ICD-10-CM Codes Adjacent To T58.94XA
T58.91XS …… sequela
T58.92 Toxic effect of carbon monoxide from unspecified source, intentional self-harm
T58.92XA …… initial encounter
T58.92XD …… subsequent encounter
T58.92XS …… sequela
T58.93 Toxic effect of carbon monoxide from unspecified source, assault
T58.93XA …… initial encounter
T58.93XD …… subsequent encounter
T58.93XS …… sequela
T58.94 Toxic effect of carbon monoxide from unspecified source, undetermined
T58.94XA …… initial encounter
T58.94XD …… subsequent encounter
T58.94XS …… sequela
T59 Toxic effect of other gases, fumes and vapors
T59.0 Toxic effect of nitrogen oxides
T59.0X Toxic effect of nitrogen oxides
T59.0X1 Toxic effect of nitrogen oxides, accidental (unintentional)
T59.0X1A …… initial encounter
T59.0X1D …… subsequent encounter
T59.0X1S …… sequela
T59.0X2 Toxic effect of nitrogen oxides, intentional self-harm

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.