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ICD-10 Guide
ICD-10 CodesB58.89

B58.89

Toxoplasmosis with other organ involvement

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

Code Description

ICD-10 B58.89 is a billable code used to indicate a diagnosis of toxoplasmosis with other organ involvement.

Key Diagnostic Point:

Toxoplasmosis is a parasitic infection caused by the protozoan Toxoplasma gondii, which can affect various organs in the body, particularly in immunocompromised individuals. The infection is often asymptomatic in healthy individuals but can lead to severe complications in those with weakened immune systems, such as HIV/AIDS patients or those undergoing chemotherapy. When Toxoplasma gondii invades organs other than the brain, such as the lungs, liver, or heart, it can cause significant morbidity. Symptoms may include fever, malaise, and organ-specific manifestations like respiratory distress or liver dysfunction. Diagnosis typically involves serological testing for Toxoplasma antibodies and imaging studies to assess organ involvement. Treatment usually consists of pyrimethamine and sulfadiazine, along with leucovorin to mitigate bone marrow suppression. In cases of severe organ involvement, more aggressive treatment regimens may be necessary, and management often requires a multidisciplinary approach.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of organ systems that can be affected, complicating diagnosis.
  • Need for comprehensive documentation of organ involvement.
  • Differentiation from other protozoal infections.
  • Potential for co-infections in immunocompromised patients.

Audit Risk Factors

  • Inadequate documentation of organ involvement.
  • Failure to specify the immunocompromised status of the patient.
  • Misclassification of the severity of the infection.
  • Lack of supporting lab results or imaging studies.

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

Detailed clinical notes on symptoms, lab results, and treatment plans.

Common Clinical Scenarios

Patients with HIV/AIDS presenting with fever and respiratory symptoms.

Billing Considerations

Documentation must clearly indicate the organ systems involved and the patient's immune status.

Pulmonology

Documentation Requirements

Pulmonary function tests and imaging studies to assess lung involvement.

Common Clinical Scenarios

Patients presenting with pneumonia-like symptoms and a history of Toxoplasmosis.

Billing Considerations

Clear documentation of respiratory symptoms and any co-existing lung conditions.

Coding Guidelines

Inclusion Criteria

Use B58.89 When
  • According to ICD
  • 10 guidelines, B58
  • 89 should be used when there is documented involvement of organs other than the central nervous system
  • Coders must ensure that the documentation supports the diagnosis and reflects the complexity of the case

Exclusion Criteria

Do NOT use B58.89 When
No specific exclusions found.

Related CPT Codes

86777CPT Code

Toxoplasma antibody test

Clinical Scenario

Used to confirm diagnosis in suspected cases of Toxoplasmosis.

Documentation Requirements

Document the reason for testing and any clinical symptoms.

Specialty Considerations

Infectious disease specialists should ensure comprehensive lab results are included.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of Toxoplasmosis, enabling better tracking of organ involvement and improving the quality of data for epidemiological studies.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of Toxoplasmosis, enabling better tracking of organ involvement and improving the quality of data for epidemiological studies.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of Toxoplasmosis, enabling better tracking of organ involvement and improving the quality of data for epidemiological studies.

Resources

Clinical References

  • •
    CDC Toxoplasmosis Information

Coding & Billing References

  • •
    CDC Toxoplasmosis Information

Frequently Asked Questions

What are the common symptoms of Toxoplasmosis with organ involvement?

Common symptoms may include fever, malaise, respiratory distress, jaundice, and neurological symptoms depending on the organs affected.