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ICD-10 Guide
ICD-10 CodesZ22.349

Z22.349

Carrier of Acinetobacter baumannii, unspecified

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/12/2025

Code Description

ICD-10 Z22.349 is a billable code used to indicate a diagnosis of carrier of acinetobacter baumannii, unspecified.

Key Diagnostic Point:

Z22.349 is used to classify individuals who are carriers of Acinetobacter baumannii, a bacterium often associated with healthcare-associated infections. Carriers may not exhibit symptoms but can transmit the bacteria to others, particularly in healthcare settings. Understanding the social determinants of health, such as socioeconomic status, access to healthcare, and living conditions, is crucial as these factors can influence the risk of transmission and the effectiveness of preventive measures. Preventive care for carriers includes education on hygiene practices, screening for infections, and monitoring for potential outbreaks. Screening may involve cultures or other diagnostic tests to identify the presence of the bacteria, while aftercare focuses on managing any potential infections and ensuring that carriers understand their role in preventing transmission. Proper documentation of carrier status is essential for effective public health interventions and to guide clinical decision-making.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Need for precise documentation of carrier status without active infection.
  • Potential for misclassification if not properly documented.
  • Variability in clinical presentation and risk factors among carriers.
  • Importance of understanding social determinants affecting transmission.

Audit Risk Factors

  • Inadequate documentation of carrier status.
  • Failure to link Z code with appropriate preventive or screening procedures.
  • Misuse of Z code in the absence of confirmed carrier status.
  • Lack of follow-up documentation for carriers.

Specialty Focus

Medical Specialties

Primary Care

Documentation Requirements

Documentation should include patient history, risk factors for Acinetobacter baumannii, and any preventive measures taken.

Common Clinical Scenarios

Routine checkups where carrier status is identified, screenings for infections, and aftercare for patients with potential exposure.

Billing Considerations

Consideration of social determinants such as living conditions and access to healthcare resources.

Public Health

Documentation Requirements

Documentation should include population-level data, surveillance reports, and outbreak management strategies.

Common Clinical Scenarios

Epidemiological studies, community health screenings, and preventive health campaigns.

Billing Considerations

Focus on tracking health status and implementing community-wide preventive measures.

Coding Guidelines

Inclusion Criteria

Use Z22.349 When
  • Z codes are used to indicate factors influencing health status and contact with health services
  • When coding Z22
  • 349, ensure it is not the primary diagnosis unless the carrier status is the focus of care
  • Sequence appropriately with any related conditions or procedures
  • Payer requirements may vary, so check specific guidelines

Exclusion Criteria

Do NOT use Z22.349 When
No specific exclusions found.

Related CPT Codes

87481CPT Code

Infectious agent detection by nucleic acid (DNA or RNA); Acinetobacter baumannii

Clinical Scenario

Used in conjunction with Z22.349 when screening for the presence of the bacteria.

Documentation Requirements

Document the reason for testing and any relevant patient history.

Specialty Considerations

Primary care providers should ensure that screening aligns with preventive health guidelines.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for greater specificity in coding carrier statuses, improving data accuracy and public health tracking.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for greater specificity in coding carrier statuses, improving data accuracy and public health tracking.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for greater specificity in coding carrier statuses, improving data accuracy and public health tracking.

Resources

Clinical References

  • •
    CDC Guidelines on Acinetobacter Infections

Coding & Billing References

  • •
    CDC Guidelines on Acinetobacter Infections

Frequently Asked Questions

What should be documented to support the use of Z22.349?

Documentation should include confirmation of carrier status, any relevant patient history, and preventive measures discussed or implemented to prevent transmission.