U.S. ICD-10-CM · FY 2027

B02.33 ICD-10-CM Code: Zoster keratitis

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

B02.33

Zoster keratitis

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where B02.33 sits

  1. 1

    Chapter 1

    Certain infectious and parasitic diseases (A00-B99)

  2. 2

    Section

    Viral infections characterized by skin and mucous membrane lesions (B00-B09)

  3. 3

    Category B02

    Zoster [herpes zoster]

  4. 4

    Subcategory B02.3

    Zoster ocular disease

  5. 5

    Code B02.33

    Zoster keratitis

Documentation details

Notes for this code

Inclusion terms

  • Herpes zoster keratoconjunctivitis

Code first

No “code first” instruction is listed for B02.33.

Use additional code

No “use additional code” instruction is listed for B02.33.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for B02.33.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for B02.33.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code B02.33 mean?

B02.33 is the FY 2027 U.S. ICD-10-CM code for “Zoster keratitis.”

Is B02.33 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, B02.33 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is B02.33 located in ICD-10-CM?

B02.33 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Viral infections characterized by skin and mucous membrane lesions (B00-B09) (B00–B09), under category B02, Zoster [herpes zoster] and subcategory B02.3, Zoster ocular disease.

What coding notes are listed for B02.33?

Its listed inclusion terms are Herpes zoster keratoconjunctivitis. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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