U.S. ICD-10-CM · FY 2027

B00 ICD-10-CM Code: Herpesviral [herpes simplex] infections

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

Code definition

Official description

B00

Herpesviral [herpes simplex] infections

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

Classification

Where B00 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 B00

    Herpesviral [herpes simplex] infections

  4. 4

    Code B00

    Herpesviral [herpes simplex] infections

More specific choices

Codes under B00

B00 is a non-billable category. Choose the child code that best matches the documented diagnosis.

B00.0

Eczema herpeticum

B00.1

Herpesviral vesicular dermatitis

B00.2

Herpesviral gingivostomatitis and pharyngotonsillitis

B00.3

Herpesviral meningitis

B00.4

Herpesviral encephalitis

B00.5

Herpesviral ocular disease

B00.7

Disseminated herpesviral disease

B00.8

Other forms of herpesviral infections

B00.9

Herpesviral infection, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for B00.

Code first

No “code first” instruction is listed for B00.

Use additional code

No “use additional code” instruction is listed for B00.

Excludes1

Conditions that should not be reported together with this code.

  • congenital herpesviral infections (P35.2)

Excludes2

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

  • anogenital herpesviral infection (A60.-)
  • gammaherpesviral mononucleosis (B27.0-)
  • herpangina (B08.5)

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

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 B00 mean?

B00 is the FY 2027 U.S. ICD-10-CM code for “Herpesviral [herpes simplex] infections.”

Is B00 a billable or specific ICD-10-CM code?

No. B00 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is B00 located in ICD-10-CM?

B00 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 B00, Herpesviral [herpes simplex] infections.

What coding notes are listed for B00?

No inclusion terms are listed for B00 in this reference record. No code-first instruction is listed. Excludes1 notes: congenital herpesviral infections (P35.2). Excludes2 notes: anogenital herpesviral infection (A60.-); gammaherpesviral mononucleosis (B27.0-); herpangina (B08.5).

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