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 CodesChapter 1: Certain infectious and parasitic diseasesB00.9

B00.9

Billable

Herpesviral infection, unspecified

Chapter 1:Certain infectious and parasitic diseases

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

Code Description

ICD-10 B00.9 is a billable code used to indicate a diagnosis of herpesviral infection, unspecified.

Key Diagnostic Point:

Herpesviral infections are caused by the herpes simplex virus (HSV), which can manifest in various forms, including oral herpes (HSV-1) and genital herpes (HSV-2). These infections are characterized by the appearance of painful blisters or sores on the skin or mucous membranes. The unspecified designation in code B00.9 indicates that the specific type of herpesviral infection has not been clearly identified or documented. Common symptoms include itching, burning sensations, and the formation of vesicular lesions. The virus can remain dormant in the body and may reactivate, leading to recurrent outbreaks. Complications can include secondary bacterial infections, meningitis, and in severe cases, encephalitis. Vaccination against HSV is not currently available, but preventive measures such as safe sex practices and antiviral medications can help manage outbreaks and reduce transmission risk. Accurate coding requires careful documentation of symptoms, history of outbreaks, and any relevant laboratory findings to ensure appropriate treatment and management.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation and symptoms.
  • Need for precise documentation to differentiate from other viral infections.
  • Potential for misclassification with other herpes-related codes.
  • Lack of specific guidelines for unspecified cases.

Audit Risk Factors

  • Inadequate documentation of symptoms and history.
  • Failure to specify the type of herpesvirus involved.
  • Inconsistent coding practices across different providers.
  • Lack of follow-up documentation for recurrent infections.

Specialty Focus

Medical Specialties

Infectious Disease

Documentation Requirements

Detailed patient history, including previous outbreaks and treatment responses.

Common Clinical Scenarios

Patients presenting with recurrent herpes outbreaks or complications.

Billing Considerations

Consideration of co-infections and immunocompromised status.

Dermatology

Documentation Requirements

Photographic evidence of lesions and detailed descriptions of symptoms.

Common Clinical Scenarios

Patients with cutaneous manifestations of herpes infections.

Billing Considerations

Differentiation from other dermatological conditions.

Coding Guidelines

Inclusion Criteria

Use B00.9 When
  • According to ICD
  • 10 guidelines, B00
  • 9 should be used when the specific type of herpesviral infection is not documented
  • Coders should ensure that all relevant clinical information is captured to support the use of this code

Exclusion Criteria

Do NOT use B00.9 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

87529CPT Code

Herpes simplex virus (HSV) testing

Clinical Scenario

When laboratory confirmation of HSV is needed.

Documentation Requirements

Document the reason for testing and any relevant symptoms.

Specialty Considerations

Infectious disease specialists may require additional lab results.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of herpesviral infections, improving the accuracy of data collection and treatment planning. B00.9 serves as a catch-all for unspecified cases, but coders are encouraged to strive for specificity.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of herpesviral infections, improving the accuracy of data collection and treatment planning. B00.9 serves as a catch-all for unspecified cases, but coders are encouraged to strive for specificity.

Reimbursement & Billing Impact

reimbursement.

Resources

Clinical References

  • •
    CDC Herpes Simplex Virus Information

Coding & Billing References

  • •
    CDC Herpes Simplex Virus Information

Frequently Asked Questions

When should I use B00.9?

Use B00.9 when the specific type of herpesviral infection is not documented, but the patient presents with symptoms consistent with a herpes infection.