B10.0 – Other human herpesvirus encephalitis

ICD-10-CM 2027 diagnosis code · Other human herpesviruses (B10)

Non-billable header

ICD-10-CM code B10.0
Code
B10.0 (claims format: B100)
Description
Other human herpesvirus encephalitis
Billable
No – use a more specific code below
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

Billable codes under B10.0

B10.0 is a header code and cannot be used on claims. Choose the most specific code:

Notes for B10.0

Excludes2 (not included here):
  • herpes encephalitis NOS (B00.4)
  • herpes simplex encephalitis (B00.4)
  • human herpesvirus encephalitis (B00.4)
  • simian B herpes virus encephalitis (B00.4)

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):
  • cytomegalovirus (B25.9)
  • Epstein-Barr virus (B27.0-)
  • herpes NOS (B00.9)
  • herpes simplex (B00.-)
  • herpes zoster (B02.-)
  • human herpesvirus NOS (B00.-)
  • human herpesvirus 1 and 2 (B00.-)
  • human herpesvirus 3 (B01.-, B02.-)
  • human herpesvirus 4 (B27.0-)
  • human herpesvirus 5 (B25.-)
  • varicella (B01.-)
  • zoster (B02.-)

Related codes in B10

Frequently asked questions

What is ICD-10 code B10.0?

B10.0 is the ICD-10-CM code for other human herpesvirus encephalitis, in the block B10 (Other human herpesviruses (B10)).

Is B10.0 a billable code?

No. B10.0 is a header code with more specific child codes; report one of the billable codes listed above.

What category does B10.0 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.