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B00.4Herpesviral encephalitis

ICD-10-CM billable/specific code — part of Viral infections characterized by skin and mucous membrane lesions (B00-B09)

Code Details

BillableYes
ChapterChapter 1: Certain infectious and parasitic diseases (A00-B99)
SectionViral infections characterized by skin and mucous membrane lesions (B00-B09)
Parent codeB00 — Herpesviral [herpes simplex] infections

Coding Notes

Inclusion Terms

  • Herpesviral meningoencephalitis
  • Simian B disease

Excludes1 (never code both together)

  • herpesviral encephalitis due to herpesvirus 6 and 7 (B10.01, B10.09)
  • non-simplex herpesviral encephalitis (B10.0-)
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