2026 ICD-10-CM Diagnosis Code B02Zoster [herpes zoster]

ICD-10-CM Codes›A00–B99›B00-B09›B02

ICD-10-CM B02
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

B02 is a non-billable ICD-10-CM category code for zoster [herpes zoster], so it cannot be submitted on claims. Use a more specific code from this category instead, such as B02.0, B02.1, B02.21, and B02.22.

Code Identity

ICD-10-CM Code
B02
Billable Status
No — Non-Billable Category
Code Describes
Zoster [herpes zoster]
Chapter
B00-B09
Viral infections characterized by skin and mucous membrane lesions

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionB00-B09Viral infections characterized by skin and mucous membrane lesions
CategoryB02Zoster [herpes zoster]
This CodeB02Zoster [herpes zoster]

Specific Coding for Zoster [herpes zoster]Overview

Non-specific codes like B02 require more characters. Use one of these billable codes instead:

  • Use B02.0 for Zoster encephalitis

  • Use B02.1 for Zoster meningitis

  • B02.2 for Zoster with other nervous system involvement

  • Use B02.21 for Postherpetic geniculate ganglionitis

  • Use B02.22 for Postherpetic trigeminal neuralgia

  • Use B02.23 for Postherpetic polyneuropathy

  • Use B02.24 for Postherpetic myelitis

  • Use B02.29 for Other postherpetic nervous system involvement

  • B02.3 for Zoster ocular disease

  • Use B02.30 for Zoster ocular disease, unspecified

  • Use B02.31 for Zoster conjunctivitis

  • Use B02.32 for Zoster iridocyclitis

  • Use B02.33 for Zoster keratitis

  • Use B02.34 for Zoster scleritis

  • Use B02.39 for Other herpes zoster eye disease

  • Use B02.7 for Disseminated zoster

  • Use B02.8 for Zoster with other complications

  • Use B02.9 for Zoster without complications

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • shingles
  • zona

Patient EducationClinical

Shingles

Shingles (herpes zoster) is an infection that causes a painful rash. It is caused by the varicella-zoster virus (VZV). This is the same virus that causes chickenpox. After you have chickenpox, the virus stays in your body. It may not cause problems for many years. But as you get older, the virus may become active again and cause shingles.

The full article covers:

  • What is shingles?
  • Is shingles contagious?
  • Who is at risk for shingles?
  • What are the symptoms of shingles?
  • What other problems can shingles cause?
  • How is shingles diagnosed?
  • What are the treatments for shingles?
  • Can shingles be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About B02Overview

Is B02 (Zoster [herpes zoster]) a billable code?

No. This is a category header that groups the codes for zoster [herpes zoster], and headers cannot be submitted on claims. Claims for zoster [herpes zoster] need a more specific code from this category, such as B02.0, B02.1, and B02.21.