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ICD-10 Guide
ICD-10 CodesChapter 19: Injury, poisoning and other consequences of external causesT58

T58

Non-billable

Toxic effect of carbon monoxide

Chapter 19:Injury, poisoning and other consequences of external causes

BILLABLE STATUSNo
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 T58 is a used to indicate a diagnosis of toxic effect of carbon monoxide.

Key Diagnostic Point:

The ICD-10 code T58 refers to the toxic effect of carbon monoxide, a colorless, odorless gas that can lead to serious health complications when inhaled. This category encompasses conditions resulting from exposure to carbon monoxide, including acute carbon monoxide poisoning, chronic exposure effects, and related complications such as neurological damage and cardiovascular issues. The clinical significance of T58 lies in its ability to capture the severity of carbon monoxide exposure, which can vary from mild symptoms like headache and dizziness to life-threatening conditions such as loss of consciousness and respiratory failure. Proper coding is essential for accurate diagnosis and treatment, as well as for tracking the incidence of carbon monoxide-related health issues in the population.

  • Usage guidelines for T58 emphasize the importance of thorough documentation of exposure history, symptoms, and any resulting complications. Clinicians should ensure that they differentiate between acute and chronic effects, as this can influence treatment decisions and outcomes. Additionally, understanding the context of exposure, such as occupational hazards or environmental factors, is crucial for appropriate coding and subsequent healthcare management. This code is vital for public health reporting and can aid in the development of preventive measures against carbon monoxide exposure in various settings.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of symptoms
  • Potential for chronic conditions
  • Need for detailed exposure history

Audit Risk Factors

  • Inadequate documentation of exposure
  • Misclassification of acute vs. chronic effects
  • Failure to capture all relevant symptoms

Specialty Focus

Medical Specialties

Emergency Medicine

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Occupational Medicine

Documentation Requirements

Standard ICD-10-CM documentation requirements apply

Common Clinical Scenarios

Various clinical presentations within this specialty area

Billing Considerations

Follow specialty-specific billing guidelines

Related CPT Codes

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

CPT Code

Clinical Scenario

Documentation Requirements

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The clinical impact of the T58 code category is significant, as it allows healthcare providers to identify and manage cases of carbon monoxide exposure effectively. Accurate coding can lead to improved patient outcomes through timely intervention and treatment, as well as contribute to public health data that informs prevention strategies. Additionally, understanding the prevalence of carbon monoxide poisoning can help healthcare systems allocate resources more effectively and develop educational programs aimed at reducing exposure risks in high-risk populations.
From an administrative perspective, the T58 category plays a crucial role in quality measures and population health initiatives. Tracking the incidence of carbon monoxide-related illnesses can highlight trends in environmental health and safety, prompting policy changes or community interventions. Furthermore, accurate coding and billing practices associated with T58 can enhance healthcare organizations' financial stability by ensuring appropriate reimbursement for services rendered, ultimately supporting the delivery of high-quality care.

ICD-9 vs ICD-10

The clinical impact of the T58 code category is significant, as it allows healthcare providers to identify and manage cases of carbon monoxide exposure effectively. Accurate coding can lead to improved patient outcomes through timely intervention and treatment, as well as contribute to public health data that informs prevention strategies. Additionally, understanding the prevalence of carbon monoxide poisoning can help healthcare systems allocate resources more effectively and develop educational programs aimed at reducing exposure risks in high-risk populations. From an administrative perspective, the T58 category plays a crucial role in quality measures and population health initiatives. Tracking the incidence of carbon monoxide-related illnesses can highlight trends in environmental health and safety, prompting policy changes or community interventions. Furthermore, accurate coding and billing practices associated with T58 can enhance healthcare organizations' financial stability by ensuring appropriate reimbursement for services rendered, ultimately supporting the delivery of high-quality care.

Reimbursement & Billing Impact

billing practices associated with T58 can enhance healthcare organizations' financial stability by ensuring appropriate reimbursement for services rendered, ultimately supporting the delivery of high-quality care.

Resources

Clinical References

  • •
    Official ICD-10 Guidelines for T58

Coding & Billing References

  • •
    Official ICD-10 Guidelines for T58

Frequently Asked Questions

What conditions are included in T58?

T58 includes conditions resulting from exposure to carbon monoxide, such as acute carbon monoxide poisoning, chronic carbon monoxide exposure effects, and associated complications like neurological deficits and cardiovascular issues.

When should I use T58 codes?

T58 codes should be used when a patient presents with symptoms or conditions directly related to carbon monoxide exposure, whether acute or chronic, and when there is a clear history of exposure.

What documentation is required for T58?

Documentation for T58 should include a detailed history of exposure to carbon monoxide, clinical symptoms observed, diagnostic tests performed, and any treatment provided. It is essential to differentiate between acute and chronic effects.