2017/18 ICD-10-CM Diagnosis Code B00.4

Herpesviral encephalitis

Applicable To
  • Herpesviral meningoencephalitis
  • Simian B disease
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as B00.4. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • herpesviral encephalitis due to herpesvirus 6 and 7 (
    ICD-10-CM Diagnosis Code B10.01

    Human herpesvirus 6 encephalitis

      2016 2017 2018 Billable/Specific Code
    B10.01
    ,
    ICD-10-CM Diagnosis Code B10.09

    Other human herpesvirus encephalitis

      2016 2017 2018 Billable/Specific Code
    Applicable To
    • Human herpesvirus 7 encephalitis
    B10.09
    )
  • non-simplex herpesviral encephalitis (
    ICD-10-CM Diagnosis Code B10.0

    Other human herpesvirus encephalitis

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • herpes encephalitis NOS (B00.4)
    • herpes simplex encephalitis (B00.4)
    • human herpesvirus encephalitis (B00.4)
    • simian B herpes virus encephalitis (B00.4)
    B10.0-
    )
The following code(s) above B00.4 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to B00.4:
  • A00-B99
    2018 ICD-10-CM Range A00-B99

    Certain infectious and parasitic diseases

    Includes
    • diseases generally recognized as communicable or transmissible
    Type 1 Excludes
    • certain localized infections - see body system-related chapters
    Type 2 Excludes
    • carrier or suspected carrier of infectious disease (Z22.-)
    • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
    • infectious and parasitic diseases specific to the perinatal period (P35-P39)
    • influenza and other acute respiratory infections (J00-J22)
    Use Additional
    • code to identify resistance to antimicrobial drugs (Z16.-)
    Certain infectious and parasitic diseases
  • B00
    ICD-10-CM Diagnosis Code B00

    Herpesviral [herpes simplex] infections

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • congenital herpesviral infections (P35.2)
    Type 2 Excludes
    • anogenital herpesviral infection (A60.-)
    • gammaherpesviral mononucleosis (B27.0-)
    • herpangina (B08.5)
    Herpesviral [herpes simplex] infections
Approximate Synonyms Clinical Information ICD-10-CM B00.4 is grouped within Diagnostic Related Group(s) (MS-DRG v35.0):

Convert B00.4 to ICD-9-CM

Code History
Code annotations containing back-references to B00.4:

Diagnosis Index entries containing back-references to B00.4:

ICD-10-CM Codes Adjacent To B00.4
A98.3 Marburg virus disease
A98.4 Ebola virus disease
A98.5 Hemorrhagic fever with renal syndrome
A98.8 Other specified viral hemorrhagic fevers
A99 Unspecified viral hemorrhagic fever
B00 Herpesviral [herpes simplex] infections
B00.0 Eczema herpeticum
B00.1 Herpesviral vesicular dermatitis
B00.2 Herpesviral gingivostomatitis and pharyngotonsillitis
B00.3 Herpesviral meningitis
B00.4 Herpesviral encephalitis
B00.5 Herpesviral ocular disease
B00.50 …… unspecified
B00.51 Herpesviral iridocyclitis
B00.52 Herpesviral keratitis
B00.53 Herpesviral conjunctivitis
B00.59 Other herpesviral disease of eye
B00.7 Disseminated herpesviral disease
B00.8 Other forms of herpesviral infections
B00.81 Herpesviral hepatitis
B00.82 Herpes simplex myelitis

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.