B00
ICD-10Non-billable categoryHerpesviral [herpes simplex] infections
Official ICD-10-CM descriptor (FY2026)
Herpesviral [herpes simplex] infections
B00 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- congenital herpesviral infections (P35.2)
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- anogenital herpesviral infection (A60.-)
- gammaherpesviral mononucleosis (B27.0-)
- herpangina (B08.5)
More specific codes under B00
- B00.0Eczema herpeticum
- B00.1Herpesviral vesicular dermatitis
- B00.2Herpesviral gingivostomatitis and pharyngotonsillitis
- B00.3Herpesviral meningitis
- B00.4Herpesviral encephalitis
- B00.5Herpesviral ocular diseasecategory
- B00.7Disseminated herpesviral disease
- B00.8Other forms of herpesviral infectionscategory
- B00.9Herpesviral infection, unspecified
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.