B00

Non-billable

Herpesviral [herpes simplex] infections

B00 is the ICD-10-CM code for Herpesviral [herpes simplex] infections. It is a non-billable category code — use a more specific child code such as B00.0 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Subcodes
9
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

What this means — in plain language

MedlinePlus · NIH

Herpes is an infection that is caused by a herpes simplex virus (HSV). Oral herpes causes cold sores around the mouth or face. Genital herpes affects the genitals, buttocks or anal area. Genital herpes is a sexually transmitted infection (STI). It affects the genitals, buttocks or anal area. Other herpes infections can affect the eyes, skin, or other parts of the body. The virus can be dangerous in newborn babies or…

Read more about Herpes Simplex at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

  • congenital herpesviral infections (P35.2)

Excludes2 — not included here

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

Frequently asked questions

What is ICD-10 code B00?
B00 is the ICD-10-CM code for "Herpesviral [herpes simplex] infections". It falls under A00-B99 Certain infectious and parasitic diseases.
Is B00 a billable code?
No — B00 is a non-billable header code. Use a more specific child code (such as B00.0) for billing.
What are the subcodes of B00?
B00 has 9 more specific child codes, including B00.0, B00.1, B00.2.
What is excluded from B00?
Excludes1 (not coded here): congenital herpesviral infections (P35.2).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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