B10.0

ICD-10Non-billable category

Other human herpesvirus encephalitis

Official ICD-10-CM descriptor (FY2026)

Other human herpesvirus encephalitis

B10.0 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.

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.

  • herpes encephalitis NOS (B00.4)
  • herpes simplex encephalitis (B00.4)
  • human herpesvirus encephalitis (B00.4)
  • simian B herpes virus encephalitis (B00.4)

ICD-10-CM FY2026 defines 2 codes beneath B10.0. See the ICD-10-CM index for what this site publishes.

Related codes in B10

Where this code sits

Parent code
B10

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Source

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.

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