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ICD-10 Guide
ICD-10 CodesA52.73

A52.73

Symptomatic late syphilis of other respiratory organs

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

Code Description

ICD-10 A52.73 is a billable code used to indicate a diagnosis of symptomatic late syphilis of other respiratory organs.

Key Diagnostic Point:

Symptomatic late syphilis of other respiratory organs refers to the advanced stage of syphilis infection where the Treponema pallidum bacterium has caused significant damage to respiratory organs, leading to symptoms such as cough, hemoptysis, and respiratory distress. This condition typically arises after the primary and secondary stages of syphilis have gone untreated, resulting in tertiary syphilis. In this stage, the infection can manifest in various organ systems, including the lungs and pleura, potentially leading to complications such as pneumonia or pulmonary nodules. Diagnosis is often made through serological testing, clinical evaluation, and imaging studies. Treatment involves the administration of appropriate antibiotics, primarily penicillin, which is effective in eradicating the infection and preventing further complications. Close monitoring and follow-up are essential to assess treatment efficacy and manage any residual symptoms or complications.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Requires understanding of syphilis stages and their implications.
  • Differentiation from other respiratory infections.
  • Need for comprehensive documentation of symptoms and treatment.
  • Potential for co-infections with other STIs.

Audit Risk Factors

  • Inadequate documentation of symptoms and treatment.
  • Failure to report co-infections.
  • Misclassification of respiratory symptoms.
  • Lack of follow-up documentation.

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

Detailed patient history, serological test results, and treatment plans.

Common Clinical Scenarios

Patients presenting with respiratory symptoms and a history of syphilis.

Billing Considerations

Need for thorough documentation of all symptoms and treatment responses.

Pulmonology

Documentation Requirements

Pulmonary function tests, imaging studies, and clinical evaluations.

Common Clinical Scenarios

Patients with respiratory distress and a history of syphilis.

Billing Considerations

Differentiating between syphilis-related respiratory issues and other pulmonary diseases.

Coding Guidelines

Inclusion Criteria

Use A52.73 When
  • Follow the official ICD
  • CM coding guidelines for infectious diseases, ensuring accurate documentation of the patient's history, symptoms, and treatment
  • Include any relevant laboratory results and imaging studies to support the diagnosis

Exclusion Criteria

Do NOT use A52.73 When
No specific exclusions found.

Related CPT Codes

86592CPT Code

Syphilis serology test

Clinical Scenario

Used for screening and diagnosis of syphilis in patients with respiratory symptoms.

Documentation Requirements

Document the reason for testing and any relevant patient history.

Specialty Considerations

Infectious disease specialists should ensure comprehensive testing for STIs.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of syphilis stages, improving the accuracy of epidemiological data and treatment tracking. A52.73 provides a clear designation for respiratory involvement, enhancing clinical understanding and management.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of syphilis stages, improving the accuracy of epidemiological data and treatment tracking. A52.73 provides a clear designation for respiratory involvement, enhancing clinical understanding and management.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of syphilis stages, improving the accuracy of epidemiological data and treatment tracking. A52.73 provides a clear designation for respiratory involvement, enhancing clinical understanding and management.

Resources

Clinical References

  • •
    CDC Syphilis Treatment Guidelines

Coding & Billing References

  • •
    CDC Syphilis Treatment Guidelines

Frequently Asked Questions

What are the common symptoms of symptomatic late syphilis of other respiratory organs?

Common symptoms include persistent cough, hemoptysis, shortness of breath, and chest pain, often accompanied by systemic symptoms such as fever and weight loss.