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v1.0.0
ICD-10 Guide
ICD-10 CodesA67

A67

Leptospirosis

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

Code Description

ICD-10 A67 is a billable code used to indicate a diagnosis of leptospirosis.

Key Diagnostic Point:

Leptospirosis is a bacterial infection caused by spirochetes of the genus Leptospira. It is primarily transmitted to humans through contact with water contaminated by the urine of infected animals, particularly rodents, livestock, and wildlife. The disease can manifest in a wide range of symptoms, from mild flu-like signs to severe illness, including jaundice, renal failure, and hemorrhagic manifestations. The incubation period typically ranges from 5 to 14 days. In severe cases, leptospirosis can lead to Weil's disease, characterized by liver damage, kidney failure, and bleeding. Geographic distribution of leptospirosis is global, with higher incidence rates in tropical and subtropical regions, particularly in areas with heavy rainfall and flooding. Endemic areas include parts of Southeast Asia, the Caribbean, and Central and South America. The disease is often underreported due to its nonspecific symptoms and the need for serological testing for confirmation. Effective prevention strategies include avoiding contact with potentially contaminated water and controlling rodent populations.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Varied clinical presentation can lead to misdiagnosis.
  • Differentiation from other febrile illnesses is challenging.
  • Requires specific laboratory confirmation for accurate coding.
  • Geographic prevalence may affect documentation and coding.

Audit Risk Factors

  • Inadequate documentation of exposure history.
  • Failure to document laboratory confirmation.
  • Misclassification of severity of illness.
  • Inconsistent coding of co-morbid conditions.

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

Detailed patient history, including exposure risks and laboratory results.

Common Clinical Scenarios

Patients presenting with fever, myalgia, and jaundice after exposure to contaminated water.

Billing Considerations

Ensure laboratory results are clearly documented to support the diagnosis.

Emergency Medicine

Documentation Requirements

Thorough documentation of presenting symptoms and any potential exposure history.

Common Clinical Scenarios

Patients with acute febrile illness and potential exposure to contaminated environments.

Billing Considerations

Rapid assessment and documentation are crucial for timely diagnosis and treatment.

Coding Guidelines

Inclusion Criteria

Use A67 When
  • According to the official ICD
  • 10 coding guidelines, leptospirosis is classified under A67
  • It is essential to document the specific type of leptospirosis when applicable and to include any associated complications

Exclusion Criteria

Do NOT use A67 When
  • Exclusion criteria include other infectious diseases that may present similarly, which must be ruled out through clinical evaluation and laboratory testing

Related Codes

Child Codes

5 codes
A67.0
Leptospirosis Weil's disease
A67.1
Leptospirosis Weil's disease
A67.2
Leptospirosis Weil's disease
A67.3
Leptospirosis icterohemorrhagica
A67.9
Leptospirosis, unspecified

Related CPT Codes

86701CPT Code

Antibody test for leptospirosis

Clinical Scenario

Used when a patient presents with symptoms suggestive of leptospirosis.

Documentation Requirements

Document the clinical rationale for testing and any relevant exposure history.

Specialty Considerations

Infectious disease specialists should ensure comprehensive documentation of the patient's history.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of leptospirosis, improving the accuracy of data collection and epidemiological tracking. This specificity aids in better understanding the disease's impact and guiding public health interventions.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of leptospirosis, improving the accuracy of data collection and epidemiological tracking. This specificity aids in better understanding the disease's impact and guiding public health interventions.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of leptospirosis, improving the accuracy of data collection and epidemiological tracking. This specificity aids in better understanding the disease's impact and guiding public health interventions.

Resources

Clinical References

  • •
    CDC Leptospirosis Information

Coding & Billing References

  • •
    CDC Leptospirosis Information

Frequently Asked Questions

What are the common symptoms of leptospirosis?

Common symptoms include fever, chills, muscle aches, vomiting, jaundice, and abdominal pain. Severe cases may lead to kidney damage and liver failure.

How is leptospirosis diagnosed?

Diagnosis is typically made through clinical evaluation and confirmed with serological tests, such as the microscopic agglutination test (MAT).