B00.4
Herpesviral encephalitis
- Release
- FY 2027
- Effective
Hierarchy
Where B00.4 sits in the official hierarchy. Each level is the code it is classified under.
- B00 Parent Herpesviral [herpes simplex] infections
- B00.4 This code Herpesviral encephalitis
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Inclusion Terms
Herpesviral meningoencephalitis
Inclusion Terms
Simian B disease
Excludes1
congenital herpesviral infections ( P35.2 )
Inherited from B00 — Herpesviral [herpes simplex] infections
Excludes1
non-simplex herpesviral encephalitis ( B10.0- )
Version History
How B00.4 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentHerpesviral encephalitis
-
FY 2026 Effective
UnchangedHerpesviral encephalitis
Related Codes
Other codes under B00
- B00.0 Eczema herpeticum Billable
- B00.1 Herpesviral vesicular dermatitis Billable
- B00.2 Herpesviral gingivostomatitis and pharyngotonsillitis Billable
- B00.3 Herpesviral meningitis Billable
- B00.5 Herpesviral ocular disease
- B00.7 Disseminated herpesviral disease Billable
- B00.8 Other forms of herpesviral infections
- B00.9 Herpesviral infection, unspecified Billable
Codes whose official notes reference B00.4
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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