ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesA67.9

A67.9

Leptospirosis, unspecified

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

Code Description

ICD-10 A67.9 is a billable code used to indicate a diagnosis of leptospirosis, unspecified.

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. The disease can manifest in a wide range of symptoms, from mild flu-like signs to severe illness, including liver damage, kidney failure, meningitis, or respiratory distress. The clinical presentation can vary significantly, making diagnosis challenging. Common symptoms include high fever, chills, muscle aches, vomiting, jaundice, and abdominal pain. In severe cases, leptospirosis can lead to Weil's disease, characterized by jaundice, renal failure, and hemorrhagic complications. Geographic distribution of leptospirosis is widespread, with endemic areas found in tropical and subtropical regions, particularly in parts of Southeast Asia, the Caribbean, and Central and South America. Outbreaks are often associated with heavy rainfall and flooding, which increase the risk of exposure to contaminated water. The unspecified nature of this code indicates that the specific serovar or clinical manifestation is not documented, which can complicate treatment and epidemiological tracking.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and symptoms
  • Need for specific serovar identification for accurate coding
  • Potential overlap with other infectious diseases
  • Geographic and seasonal variations in disease prevalence

Audit Risk Factors

  • Inadequate documentation of exposure history
  • Failure to specify serovar when known
  • Misdiagnosis due to symptom overlap with other diseases
  • Lack of follow-up documentation on treatment outcomes

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

Detailed patient history, including exposure risks and symptom progression.

Common Clinical Scenarios

Patients presenting with flu-like symptoms after exposure to contaminated water.

Billing Considerations

Ensure serovar identification is documented when available.

Emergency Medicine

Documentation Requirements

Thorough documentation of presenting symptoms and any potential exposure history.

Common Clinical Scenarios

Patients presenting with acute febrile illness after recent travel or outdoor activities.

Billing Considerations

Rapid assessment and documentation are crucial for timely treatment.

Coding Guidelines

Inclusion Criteria

Use A67.9 When
  • Follow official ICD
  • 10 coding guidelines, ensuring accurate documentation of symptoms and exposure history
  • morbidities are present

Exclusion Criteria

Do NOT use A67.9 When
  • Exclude codes for other specific infectious diseases unless co

Related CPT Codes

87070CPT Code

Culture for Leptospira

Clinical Scenario

Used when leptospirosis is suspected based on clinical presentation.

Documentation Requirements

Document clinical suspicion and rationale for culture.

Specialty Considerations

Infectious disease specialists should ensure proper specimen handling.

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 tracking and treatment outcomes. However, the unspecified code can lead to challenges in epidemiological data collection.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of leptospirosis, improving tracking and treatment outcomes. However, the unspecified code can lead to challenges in epidemiological data collection.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of leptospirosis, improving tracking and treatment outcomes. However, the unspecified code can lead to challenges in epidemiological data collection.

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 high fever, chills, muscle aches, vomiting, jaundice, and abdominal pain. Severe cases may lead to liver failure and respiratory distress.