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v1.0.0
ICD-10 Guide
ICD-10 CodesB58.0

B58.0

Toxoplasma chorioretinitis

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

Code Description

ICD-10 B58.0 is a billable code used to indicate a diagnosis of toxoplasma chorioretinitis.

Key Diagnostic Point:

Toxoplasma chorioretinitis is an ocular condition caused by the protozoan parasite Toxoplasma gondii. This infection is particularly significant in immunocompromised individuals, such as those with HIV/AIDS, and can lead to severe visual impairment or blindness if left untreated. The parasite is typically acquired through ingestion of oocysts found in contaminated food or water, or through contact with infected cat feces. In pregnant women, Toxoplasma can cross the placenta and infect the fetus, leading to congenital toxoplasmosis, which may present with chorioretinitis among other symptoms. Clinically, patients may present with blurred vision, floaters, and scotomas. Diagnosis is often confirmed through serological testing for Toxoplasma antibodies and imaging studies such as fundus examination or OCT (Optical Coherence Tomography) to visualize retinal lesions. Treatment typically involves the use of pyrimethamine and sulfadiazine, along with folinic acid to mitigate side effects. Early diagnosis and intervention are crucial to prevent irreversible damage to the retina.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between acute and chronic infections
  • Identifying immunocompromised status of the patient
  • Understanding the implications of congenital transmission
  • Navigating the overlap with other ocular conditions

Audit Risk Factors

  • Inadequate documentation of serological test results
  • Failure to note immunocompromised status
  • Misclassification of the type of chorioretinitis
  • Lack of follow-up documentation on treatment response

Specialty Focus

Medical Specialties

Ophthalmology

Documentation Requirements

Detailed ocular examination findings, imaging results, and treatment plans.

Common Clinical Scenarios

Patients presenting with visual disturbances, especially in immunocompromised individuals.

Billing Considerations

Documentation must clearly indicate the cause of chorioretinitis and any associated systemic conditions.

Infectious Disease

Documentation Requirements

Comprehensive patient history, serological test results, and treatment protocols.

Common Clinical Scenarios

Patients with HIV/AIDS presenting with opportunistic infections.

Billing Considerations

Must document the patient's immune status and any co-infections.

Coding Guidelines

Inclusion Criteria

Use B58.0 When
  • Follow the official ICD
  • CM coding guidelines, ensuring to document the specific type of chorioretinitis and any underlying conditions
  • Include relevant clinical findings and treatment plans

Exclusion Criteria

Do NOT use B58.0 When
No specific exclusions found.

Related CPT Codes

92002CPT Code

Ophthalmological examination, new patient

Clinical Scenario

Used when a new patient presents with symptoms suggestive of chorioretinitis.

Documentation Requirements

Complete ocular examination findings and history.

Specialty Considerations

Ophthalmologists should ensure thorough documentation of visual acuity and fundoscopic findings.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of Toxoplasma-related conditions, improving the accuracy of epidemiological data and treatment tracking.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of Toxoplasma-related conditions, improving the accuracy of epidemiological data and treatment tracking.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of Toxoplasma-related conditions, improving the accuracy of epidemiological data and treatment tracking.

Resources

Clinical References

  • •
    CDC Toxoplasmosis Information

Coding & Billing References

  • •
    CDC Toxoplasmosis Information

Frequently Asked Questions

What are the common symptoms of Toxoplasma chorioretinitis?

Common symptoms include blurred vision, floaters, and scotomas. Patients may also experience pain and redness in the eye.

How is Toxoplasma chorioretinitis diagnosed?

Diagnosis is typically made through serological testing for Toxoplasma antibodies and imaging studies such as fundus examination.

What is the treatment for Toxoplasma chorioretinitis?

Treatment usually involves a combination of pyrimethamine and sulfadiazine, along with folinic acid to reduce side effects.