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ICD-10 Guide
ICD-10 CodesB58.01

B58.01

Toxoplasma chorioretinitis

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

Code Description

ICD-10 B58.01 is a billable code used to indicate a diagnosis of toxoplasma chorioretinitis.

Key Diagnostic Point:

Toxoplasma chorioretinitis is an ocular manifestation of Toxoplasma gondii infection, a protozoan parasite that can cause significant morbidity, particularly in immunocompromised individuals and during pregnancy. The condition is characterized by inflammation of the choroid and retina, leading to symptoms such as blurred vision, floaters, and in severe cases, vision loss. Toxoplasmosis is often acquired through ingestion of oocysts from contaminated food or water, or through vertical transmission from mother to fetus. Diagnosis typically involves clinical examination, serological testing for Toxoplasma antibodies, and imaging studies such as optical coherence tomography (OCT) or fundus photography. Treatment usually includes the use of pyrimethamine and sulfadiazine, along with folinic acid to mitigate the side effects of pyrimethamine. Early diagnosis and treatment are crucial to prevent complications and preserve vision.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between congenital and acquired cases of toxoplasmosis.
  • Understanding the implications of immunocompromised status on the disease presentation.
  • Navigating the nuances of ocular manifestations versus systemic infections.
  • Documenting the specific symptoms and diagnostic tests performed.

Audit Risk Factors

  • Inadequate documentation of symptoms and diagnostic tests.
  • Failure to specify the immunocompromised status of the patient.
  • Misclassification of the type of toxoplasmosis (congenital vs. acquired).
  • Lack of clarity in treatment protocols followed.

Specialty Focus

Medical Specialties

Ophthalmology

Documentation Requirements

Detailed documentation of visual acuity, fundoscopic findings, and any imaging results.

Common Clinical Scenarios

Patients presenting with blurred vision, floaters, or acute vision loss.

Billing Considerations

Ensure that all ocular findings are documented to support the diagnosis of chorioretinitis.

Infectious Disease

Documentation Requirements

Comprehensive history of exposure, serological test results, and treatment plans.

Common Clinical Scenarios

Immunocompromised patients with systemic symptoms and ocular involvement.

Billing Considerations

Document the patient's immune status and any relevant comorbidities.

Coding Guidelines

Inclusion Criteria

Use B58.01 When
  • According to ICD
  • 10 guidelines, B58
  • 01 should be used when the condition is specifically diagnosed as chorioretinitis due to Toxoplasma gondii
  • It is important to document the clinical findings and any relevant laboratory results to support the diagnosis

Exclusion Criteria

Do NOT use B58.01 When
No specific exclusions found.

Related CPT Codes

92014CPT Code

Ophthalmological examination, established patient

Clinical Scenario

Used for follow-up visits in patients diagnosed with Toxoplasma chorioretinitis.

Documentation Requirements

Document visual acuity, fundoscopic findings, and any changes in symptoms.

Specialty Considerations

Ophthalmologists should ensure thorough documentation of ocular health.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of Toxoplasma infections, improving the accuracy of data collection and reimbursement processes. B58.01 provides a clear distinction for ocular involvement, which was less defined in ICD-9.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of Toxoplasma infections, improving the accuracy of data collection and reimbursement processes. B58.01 provides a clear distinction for ocular involvement, which was less defined in ICD-9.

Reimbursement & Billing Impact

reimbursement processes. B58.01 provides a clear distinction for ocular involvement, which was less defined in ICD-9.

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 in severe cases, vision loss. Patients may also experience eye pain and redness.