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v1.0.0
ICD-10 Guide
DiagnosesHerpes Zoster Ophthalmicus

Herpes Zoster Ophthalmicus

ICD-10 Coding for Herpes Zoster Ophthalmicus(B02.3, B02.31, B02.33)

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

Diagnosis Overview

What is Herpes Zoster Ophthalmicus?
Essential facts and insights about Herpes Zoster Ophthalmicus

Key Clinical Considerations:

  • Unilateral vesicular rash in the distribution of the ophthalmic branch of the trigeminal nerve
  • Presence of pain or burning sensation prior to rash onset
  • Possible ocular involvement including conjunctivitis, keratitis, or uveitis

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history of varicella infection or vaccination
  • Detailed description of rash location and characteristics
  • Ocular examination findings including visual acuity and intraocular pressure

Coding Guidelines

Usage Guidelines & Examples

  • Follow usage guidelines for herpes zoster codes to avoid miscoding.
  • Common errors include using the wrong branch of the trigeminal nerve or failing to document ocular involvement.

Code Exclusions

Important Exclusions

  • Other types of herpes zoster not involving the ophthalmic nerve
  • Conditions such as herpes simplex keratitis

Related ICD-10 Codes

Primary Codes
B02.3
Herpes zoster ophthalmicus
Ancillary Codes
H54.7X
Differential Codes
B00.-
B00.5

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

Ophthalmology

Specialty Applications

  • Adults, particularly those over 50 years old or immunocompromised patients
  • Ophthalmology clinics and emergency departments

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

What are the documentation requirements?

Document the patient's history, clinical findings, and any diagnostic tests performed.

What are the billing considerations?

Ensure accurate coding to reflect the specific type of herpes zoster and any associated complications.