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v1.0.0
ICD-10 Guide
ICD-10 CodesA48.8

A48.8

Other specified bacterial diseases

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

Code Description

ICD-10 A48.8 is a billable code used to indicate a diagnosis of other specified bacterial diseases.

Key Diagnostic Point:

A48.8 encompasses a variety of bacterial infections that do not fall under more specific categories. These infections can be particularly challenging to diagnose and treat, especially in immunocompromised patients who are at increased risk for opportunistic infections. Such patients may include those with HIV/AIDS, cancer, or those undergoing immunosuppressive therapy. The clinical presentation of these infections can be atypical, leading to diagnostic challenges. Symptoms may vary widely depending on the pathogen involved and the patient's underlying health status. Commonly encountered pathogens in this category include less common strains of bacteria that can cause severe infections, such as certain strains of Mycobacterium, Listeria, and others. The complexity of diagnosing these infections often requires advanced microbiological techniques and a high index of suspicion from healthcare providers. Furthermore, the treatment regimens may differ significantly from standard bacterial infections, necessitating careful consideration of the patient's overall health and potential drug interactions.

Code Complexity Analysis

Complexity Rating: High

High Complexity

Complexity Factors

  • Variety of pathogens that can be classified under this code
  • Need for advanced diagnostic techniques
  • Variability in clinical presentation
  • Involvement of multiple specialties in management

Audit Risk Factors

  • Inadequate documentation of the specific bacterial pathogen
  • Failure to note immunocompromised status of the patient
  • Lack of clarity in clinical presentation
  • Inconsistent coding across different encounters

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

Detailed microbiological test results, patient history, and treatment response.

Common Clinical Scenarios

Patients presenting with atypical infections, particularly those with a history of immunosuppression.

Billing Considerations

Ensure thorough documentation of all diagnostic tests performed and their results.

Oncology

Documentation Requirements

Comprehensive records of the patient's cancer treatment and any immunosuppressive therapies.

Common Clinical Scenarios

Cancer patients developing opportunistic infections during or after chemotherapy.

Billing Considerations

Document the patient's cancer type and treatment regimen to support the diagnosis.

Coding Guidelines

Inclusion Criteria

Use A48.8 When
  • According to ICD
  • 10 guidelines, A48
  • 8 should be used when a bacterial disease is specified but does not fit into other defined categories
  • Coders must ensure that the documentation supports the use of this code, particularly in cases involving opportunistic infections

Exclusion Criteria

Do NOT use A48.8 When
No specific exclusions found.

Related CPT Codes

87070CPT Code

Culture, bacterial, any source

Clinical Scenario

Used when a bacterial infection is suspected and cultures are taken.

Documentation Requirements

Document the source of the culture and the clinical rationale for testing.

Specialty Considerations

Infectious disease specialists may require more detailed 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 bacterial diseases, but A48.8 remains complex due to the variety of infections it encompasses. Coders must be diligent in ensuring accurate documentation to support the use of this code.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of bacterial diseases, but A48.8 remains complex due to the variety of infections it encompasses. Coders must be diligent in ensuring accurate documentation to support the use of this code.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

What types of infections are included under A48.8?

A48.8 includes a variety of bacterial infections that do not fit into more specific categories, particularly those affecting immunocompromised patients.

How can I ensure accurate coding for A48.8?

Accurate coding requires thorough documentation of the patient's clinical presentation, laboratory results, and any underlying conditions that may contribute to the infection.