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ICD-10-CM Current in FY 2027

B10.09

Other human herpesvirus encephalitis

Release
FY 2027
Effective

Hierarchy

Where B10.09 sits in the official hierarchy. Each level is the code it is classified under.

  1. B10 Other human herpesviruses
  2. B10.0 Parent Other human herpesvirus encephalitis
  3. B10.09 This code Other human herpesvirus 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

Human herpesvirus 7 encephalitis

Excludes2

herpes encephalitis NOS ( B00.4 )

Inherited from B10.0 — Other human herpesvirus encephalitis

Excludes2

cytomegalovirus ( B25.9 )

Inherited from B10 — Other human herpesviruses

Excludes2

herpes simplex encephalitis ( B00.4 )

Inherited from B10.0 — Other human herpesvirus encephalitis

Excludes2

Epstein-Barr virus ( B27.0- )

Inherited from B10 — Other human herpesviruses

Excludes2

human herpesvirus encephalitis ( B00.4 )

Inherited from B10.0 — Other human herpesvirus encephalitis

Excludes2

herpes NOS ( B00.9 )

Inherited from B10 — Other human herpesviruses

Excludes2

simian B herpes virus encephalitis ( B00.4 )

Inherited from B10.0 — Other human herpesvirus encephalitis

Excludes2

herpes simplex ( B00 .-)

Inherited from B10 — Other human herpesviruses

Excludes2

herpes zoster ( B02 .-)

Inherited from B10 — Other human herpesviruses

Excludes2

human herpesvirus NOS ( B00 .-)

Inherited from B10 — Other human herpesviruses

Excludes2

human herpesvirus 1 and 2 ( B00 .-)

Inherited from B10 — Other human herpesviruses

Excludes2

human herpesvirus 3 ( B01 .-, B02 .-)

Inherited from B10 — Other human herpesviruses

Excludes2

human herpesvirus 4 ( B27.0- )

Inherited from B10 — Other human herpesviruses

Excludes2

human herpesvirus 5 ( B25 .-)

Inherited from B10 — Other human herpesviruses

Excludes2

varicella ( B01 .-)

Inherited from B10 — Other human herpesviruses

Excludes2

zoster ( B02 .-)

Inherited from B10 — Other human herpesviruses

Version History

How B10.09 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Other human herpesvirus encephalitis

  2. FY 2026 Effective

    Unchanged

    Other human herpesvirus encephalitis

Other codes under B10.0

Codes whose official notes reference B10.09

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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