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v1.0.0
ICD-10 Guide
DiagnosesLabial Herpes

Labial Herpes

ICD-10 Coding for Labial Herpes(B00.1, B00.2)

PRIMARY SPECIALTYDermatology
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Labial Herpes?
Essential facts and insights about Labial Herpes

Key Clinical Considerations:

  • Painful vesicular lesions on the lips or surrounding areas
  • Positive viral culture or PCR test for HSV-1
  • Erythema and swelling in the affected area

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history of previous outbreaks
  • Description of lesions and symptoms
  • Date of onset and duration of current episode

Coding Guidelines

Usage Guidelines & Examples

  • Use B00.1 for labial herpes; avoid using codes for other herpes types.
  • Common errors include misclassifying as other skin conditions.

Code Exclusions

Important Exclusions

  • Herpes zoster (shingles)
  • Other viral infections affecting the lips

Related ICD-10 Codes

Primary Codes
B00.1
Herpes simplex labialis
Ancillary Codes
Z77.22
Differential Codes
B00.2
B00.2
if lesions extend to the oral mucosa or throat.
B00.1
B00.1
if lesions are confined to lips or perioral area.

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Dermatology

Specialty Applications

  • Adults and children with recurrent herpes simplex infections
  • Dermatology and primary care settings

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

Documentation requirements?

Document the location, appearance, and duration of lesions.

Billing considerations?

Ensure accurate coding to reflect the severity and frequency of outbreaks.