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ICD-10 Guide
ICD-10 CodesA18.53

A18.53

Tuberculous chorioretinitis

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

Code Description

ICD-10 A18.53 is a billable code used to indicate a diagnosis of tuberculous chorioretinitis.

Key Diagnostic Point:

Tuberculous chorioretinitis is an ocular manifestation of tuberculosis (TB) that affects the choroid and retina of the eye. It is characterized by inflammation caused by the Mycobacterium tuberculosis bacteria, which can spread to the eye from a primary pulmonary infection or through hematogenous dissemination. Clinically, patients may present with symptoms such as blurred vision, floaters, and photophobia. Diagnosis typically involves a combination of clinical examination, imaging studies like fluorescein angiography, and laboratory tests including tuberculin skin tests or interferon-gamma release assays. Treatment usually consists of antitubercular therapy, which may include a combination of isoniazid, rifampicin, ethambutol, and pyrazinamide, tailored to the patient's specific needs and drug susceptibility patterns. Monitoring for potential drug resistance is crucial, as multidrug-resistant TB can complicate treatment. Public health implications are significant, as TB is a contagious disease, necessitating contact tracing and isolation procedures for active cases to prevent further transmission.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires understanding of both ocular and systemic manifestations of tuberculosis.
  • Involves knowledge of specific diagnostic tests and their interpretations.
  • Treatment regimens may vary based on drug resistance patterns.
  • Documentation must clearly link ocular symptoms to the underlying TB diagnosis.

Audit Risk Factors

  • Inadequate documentation linking ocular symptoms to TB.
  • Failure to document the results of diagnostic tests.
  • Lack of clarity on treatment regimens and monitoring for drug resistance.
  • Misclassification of the condition as a non-tuberculous etiology.

Specialty Focus

Medical Specialties

Ophthalmology

Documentation Requirements

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

Common Clinical Scenarios

Patients presenting with vision changes, floaters, or signs of inflammation in the eye.

Billing Considerations

Need for collaboration with infectious disease specialists for comprehensive management.

Infectious Disease

Documentation Requirements

Complete medical history, including TB exposure, diagnostic test results, and treatment response.

Common Clinical Scenarios

Patients with confirmed TB who develop ocular symptoms.

Billing Considerations

Monitoring for drug resistance and adherence to treatment protocols.

Coding Guidelines

Inclusion Criteria

Use A18.53 When
  • According to ICD
  • 10 guidelines, A18
  • 53 should be used when there is a confirmed diagnosis of tuberculous chorioretinitis
  • It is important to document the underlying TB diagnosis and any relevant symptoms or findings

Exclusion Criteria

Do NOT use A18.53 When
  • Exclusion criteria include other forms of chorioretinitis not related to tuberculosis

Related CPT Codes

92014CPT Code

Ophthalmological examination, comprehensive, established patient

Clinical Scenario

Used when a patient with tuberculous chorioretinitis is evaluated for vision changes.

Documentation Requirements

Complete ocular examination findings and any relevant history of TB.

Specialty Considerations

Ophthalmologists should document the relationship between TB and ocular findings.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of conditions like tuberculous chorioretinitis, improving the accuracy of data collection and reimbursement processes. It emphasizes the need for detailed documentation to support the diagnosis and treatment of this complex condition.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like tuberculous chorioretinitis, improving the accuracy of data collection and reimbursement processes. It emphasizes the need for detailed documentation to support the diagnosis and treatment of this complex condition.

Reimbursement & Billing Impact

reimbursement processes. It emphasizes the need for detailed documentation to support the diagnosis and treatment of this complex condition.

Resources

Clinical References

  • •
    CDC Tuberculosis (TB) Fact Sheet

Coding & Billing References

  • •
    CDC Tuberculosis (TB) Fact Sheet

Frequently Asked Questions

What are the common symptoms of tuberculous chorioretinitis?

Common symptoms include blurred vision, floaters, and photophobia. Patients may also experience vision loss in severe cases.

How is tuberculous chorioretinitis diagnosed?

Diagnosis typically involves a combination of clinical examination, imaging studies like fluorescein angiography, and laboratory tests confirming TB infection.

What is the treatment for tuberculous chorioretinitis?

Treatment usually involves a multi-drug regimen of antitubercular medications, tailored to the patient's specific needs and drug susceptibility.