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v1.0.0
ICD-10 Guide
ICD-10 CodesB33.1

B33.1

Shingles (herpes zoster) of eyelid

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

Code Description

ICD-10 B33.1 is a billable code used to indicate a diagnosis of shingles (herpes zoster) of eyelid.

Key Diagnostic Point:

Shingles, or herpes zoster, is a viral infection caused by the reactivation of the varicella-zoster virus (VZV), which also causes chickenpox. When the virus reactivates, it can lead to a painful rash that typically appears in a dermatomal distribution. In the case of shingles affecting the eyelid, the rash may present with vesicular lesions, erythema, and significant discomfort. The eyelid involvement can lead to complications such as conjunctivitis, keratitis, or even vision loss if not treated promptly. Diagnosis is primarily clinical, supported by the characteristic presentation of the rash and associated symptoms such as pain, itching, and burning. Laboratory tests, including PCR or direct fluorescent antibody testing, may be utilized to confirm the diagnosis in atypical cases. Antiviral treatments, such as acyclovir, valacyclovir, or famciclovir, are effective in reducing the severity and duration of the symptoms, especially when initiated within 72 hours of rash onset. Pain management and supportive care are also essential components of treatment.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiation from other ocular conditions
  • Need for precise documentation of symptoms and location
  • Potential for complications affecting coding
  • Variability in presentation among patients

Audit Risk Factors

  • Inadequate documentation of symptoms
  • Failure to specify the location of the shingles rash
  • Misdiagnosis or coding of related conditions
  • Lack of supporting lab results for viral confirmation

Specialty Focus

Medical Specialties

Ophthalmology

Documentation Requirements

Detailed description of ocular symptoms, visual acuity assessments, and any complications.

Common Clinical Scenarios

Patients presenting with eyelid rash, pain, and visual disturbances.

Billing Considerations

Documentation must clearly indicate the involvement of the eyelid and any ocular complications.

Infectious Disease

Documentation Requirements

History of varicella infection, immunocompromised status, and treatment response.

Common Clinical Scenarios

Patients with recurrent herpes zoster or those with atypical presentations.

Billing Considerations

Consideration of patient’s vaccination history and immune status.

Coding Guidelines

Inclusion Criteria

Use B33.1 When
  • Follow ICD
  • CM guidelines for coding herpes zoster, ensuring specificity in the location of the rash
  • Include any relevant complications and document the clinical presentation thoroughly

Exclusion Criteria

Do NOT use B33.1 When
No specific exclusions found.

Related CPT Codes

99213CPT Code

Established patient office visit, Level 3

Clinical Scenario

Used for follow-up visits after initial diagnosis of shingles.

Documentation Requirements

Document the patient's symptoms, treatment response, and any complications.

Specialty Considerations

Ophthalmology may require additional visual assessments.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of shingles, including the anatomical site of involvement, which aids in better tracking and management of the condition.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of shingles, including the anatomical site of involvement, which aids in better tracking and management of the condition.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of shingles, including the anatomical site of involvement, which aids in better tracking and management of the condition.

Resources

Clinical References

  • •
    CDC - Shingles (Herpes Zoster)

Coding & Billing References

  • •
    CDC - Shingles (Herpes Zoster)

Frequently Asked Questions

What are the common symptoms of shingles affecting the eyelid?

Common symptoms include a painful rash on the eyelid, vesicular lesions, itching, burning sensation, and potential visual disturbances.