B10.09 – Other human herpesvirus encephalitis
ICD-10-CM 2027 diagnosis code · Other human herpesviruses (B10)
ICD-10-CM code
B10.09
- Code
B10.09(claims format:B1009)- Description
- Other human herpesvirus encephalitis
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 1. Certain infectious and parasitic diseases (A00-B99)
- Block
- B10 Other human herpesviruses (B10)
- Parent codes
- B10 › B10.0
Notes for B10.09
Applicable to:
- Human herpesvirus 7 encephalitis
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
B10 – Other human herpesviruses
Excludes2 (not included here):
B10.0 – Other human herpesvirus encephalitis
Index terms for B10.09
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Encephalitis, in, herpes, specified NEC
- Encephalitis, herpesviral, specified NEC
- Encephalitis, in, herpes, due to herpesvirus 7
- Meningoencephalitis, in, herpes, specified NEC
- Encephalitis, herpesviral, due to herpesvirus 7
- Herpes, herpesvirus, herpetic, human, 7, encephalitis
- Meningoencephalitis, in, herpes, due to herpesvirus 7
- Meningoencephalitis, herpesviral, herpetic, specified NEC
- Herpes, herpesvirus, herpetic, encephalitis, specified NEC
- Meningoencephalitis, herpesviral, herpetic, due to herpesvirus 7
- Herpes, herpesvirus, herpetic, encephalitis, due to herpesvirus 7
Related codes in B10.0
Frequently asked questions
What is ICD-10 code B10.09?
B10.09 is the ICD-10-CM code for other human herpesvirus encephalitis, in the block B10 (Other human herpesviruses (B10)).
Is B10.09 a billable code?
Yes. B10.09 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does B10.09 belong to?
It belongs to category B10 – Other human herpesviruses.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.