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ICD-10 Guide
ICD-10 CodesA18.54

A18.54

Tuberculous iridocyclitis

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

Code Description

ICD-10 A18.54 is a billable code used to indicate a diagnosis of tuberculous iridocyclitis.

Key Diagnostic Point:

Tuberculous iridocyclitis is an inflammatory condition of the eye characterized by the involvement of the iris and ciliary body due to Mycobacterium tuberculosis infection. This condition can occur as a part of systemic tuberculosis or as an isolated ocular manifestation. Patients may present with symptoms such as redness, pain, photophobia, and blurred vision. Diagnosis typically involves a thorough clinical examination, including slit-lamp examination, and may be supported by ancillary tests such as tuberculin skin tests, interferon-gamma release assays, and imaging studies like chest X-rays to assess for pulmonary involvement. Treatment often includes antituberculous therapy, which may involve a combination of isoniazid, rifampicin, ethambutol, and pyrazinamide, tailored to the patient's specific needs and drug susceptibility patterns. Monitoring for drug resistance is crucial, as multidrug-resistant tuberculosis can complicate treatment. Public health implications are significant, necessitating contact tracing and isolation procedures for infectious cases to prevent transmission. Regular follow-up is essential to assess treatment response and manage any complications.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires understanding of both ocular and systemic tuberculosis manifestations.
  • Differentiation from other forms of uveitis is necessary.
  • Documentation must reflect both the ocular and systemic aspects of the disease.
  • Potential for drug resistance complicates treatment coding.

Audit Risk Factors

  • Inadequate documentation of ocular symptoms.
  • Failure to document systemic tuberculosis involvement.
  • Misclassification of iridocyclitis as non-tuberculous.
  • Lack of follow-up documentation for treatment response.

Specialty Focus

Medical Specialties

Ophthalmology

Documentation Requirements

Detailed clinical notes on ocular examination findings, treatment plans, and follow-up assessments.

Common Clinical Scenarios

Patients presenting with uveitis symptoms, especially in endemic areas for tuberculosis.

Billing Considerations

Need for collaboration with infectious disease specialists for comprehensive management.

Infectious Disease

Documentation Requirements

Comprehensive history of tuberculosis exposure, treatment regimens, and monitoring for drug resistance.

Common Clinical Scenarios

Patients with systemic tuberculosis presenting with ocular symptoms.

Billing Considerations

Coordination of care with ophthalmology for integrated treatment approaches.

Coding Guidelines

Inclusion Criteria

Use A18.54 When
  • Follow ICD
  • CM guidelines for coding infectious diseases, ensuring accurate documentation of the condition's specifics
  • Include any relevant history of tuberculosis and associated symptoms
  • Ensure compliance with public health reporting requirements

Exclusion Criteria

Do NOT use A18.54 When
No specific exclusions found.

Related CPT Codes

92002CPT Code

Ophthalmological examination, new patient

Clinical Scenario

Used for initial evaluation of a patient presenting with symptoms of iridocyclitis.

Documentation Requirements

Complete eye examination findings, including visual acuity and intraocular pressure.

Specialty Considerations

Ophthalmologists should document any systemic evaluations performed.

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 iridocyclitis, improving data accuracy and facilitating better tracking of disease prevalence and treatment outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of conditions like tuberculous iridocyclitis, improving data accuracy and facilitating better tracking of disease prevalence and treatment outcomes.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of conditions like tuberculous iridocyclitis, improving data accuracy and facilitating better tracking of disease prevalence and treatment outcomes.

Resources

Clinical References

  • •
    CDC Tuberculosis Guidelines

Coding & Billing References

  • •
    CDC Tuberculosis Guidelines

Frequently Asked Questions

What are the common symptoms of tuberculous iridocyclitis?

Common symptoms include eye pain, redness, photophobia, and blurred vision. Patients may also experience systemic symptoms related to tuberculosis.

How is tuberculous iridocyclitis diagnosed?

Diagnosis is made through clinical examination, history of tuberculosis exposure, and supportive tests such as skin tests and imaging studies.

What is the treatment for tuberculous iridocyclitis?

Treatment typically involves a multi-drug regimen for tuberculosis, including isoniazid, rifampicin, ethambutol, and pyrazinamide, with careful monitoring for drug resistance.