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v1.0.0
ICD-10 Guide
ICD-10 CodesChapter 1: Certain infectious and parasitic diseasesA30.0

A30.0

Billable

Leprosy, tuberculoid

Chapter 1:Certain infectious and parasitic diseases

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

Code Description

ICD-10 A30.0 is a billable code used to indicate a diagnosis of leprosy, tuberculoid.

Key Diagnostic Point:

Leprosy, also known as Hansen's disease, is a chronic infectious disease caused by the bacterium Mycobacterium leprae. Tuberculoid leprosy is one of the two main forms of the disease, characterized by a strong immune response that limits the spread of the bacteria. Patients typically present with a few well-defined skin lesions that are hypopigmented and may be numb due to peripheral nerve damage. The lesions are often accompanied by a loss of sensation and can lead to significant disability if not treated. Tuberculoid leprosy is less contagious than the lepromatous form and is associated with a better prognosis. Diagnosis is primarily clinical, supported by skin smears and biopsies that may reveal the presence of acid-fast bacilli. Treatment involves multi-drug therapy (MDT) with rifampicin and dapsone, which is effective in killing the bacteria and preventing transmission. Early diagnosis and treatment are crucial to prevent complications and disability associated with the disease.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiation between tuberculoid and lepromatous leprosy
  • Need for accurate clinical documentation of symptoms and lesions
  • Potential for misclassification with other skin conditions
  • Understanding of treatment protocols and follow-up care

Audit Risk Factors

  • Inadequate documentation of clinical findings
  • Misdiagnosis due to similarity with other dermatological conditions
  • Failure to document treatment adherence and follow-up
  • Inconsistent coding practices among providers

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

Detailed clinical notes on symptoms, diagnostic tests, and treatment plans.

Common Clinical Scenarios

Diagnosis and management of leprosy, including skin lesions and nerve involvement.

Billing Considerations

Ensure thorough documentation of the patient's history and exposure risk.

Dermatology

Documentation Requirements

Photographic evidence of skin lesions and detailed descriptions of their characteristics.

Common Clinical Scenarios

Evaluation of skin lesions suspected to be leprosy and differential diagnosis.

Billing Considerations

Document sensory loss and any neurological assessments performed.

Coding Guidelines

Inclusion Criteria

Use A30.0 When
  • Follow the official ICD
  • CM coding guidelines, ensuring accurate documentation of the diagnosis, treatment, and any associated complications

Exclusion Criteria

Do NOT use A30.0 When
  • Exclude codes for other types of leprosy when coding A30

Related ICD-10 Codes

Related CPT Codes

99213CPT Code

Established patient office visit, Level 3

Clinical Scenario

Used for follow-up visits for patients with leprosy.

Documentation Requirements

Document history, examination findings, and treatment plan.

Specialty Considerations

Infectious disease specialists should ensure comprehensive notes on treatment adherence.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of leprosy types, improving data accuracy and treatment tracking.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of leprosy types, improving data accuracy and treatment tracking.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of leprosy types, improving data accuracy and treatment tracking.

Resources

Clinical References

  • •
    World Health Organization - Leprosy

Coding & Billing References

  • •
    World Health Organization - Leprosy

Frequently Asked Questions

What is the primary treatment for tuberculoid leprosy?

The primary treatment for tuberculoid leprosy is multi-drug therapy (MDT) consisting of rifampicin and dapsone, which is effective in curing the disease and preventing transmission.