B00.3 Herpesviral meningitis

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

Applies from B00 Herpesviral [herpes simplex] infections

Excludes1 (never code together)

• congenital herpesviral infections (P35.2)

Excludes2 (not included here)

• anogenital herpesviral infection (A60.-)
• gammaherpesviral mononucleosis (B27.0-)
• herpangina (B08.5)

MS-DRG index

Defines the logic of DRG(s) 023-024 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 054.72 Herpes simplex meningitis

Code annotations containing back-references to B00.3

Back-references to B00.3

• Type 1 Excludes: A87 Viral meningitis ("meningitis due to herpesvirus [herpes simplex] (B00.3)")
• Type 1 Excludes: G02 Meningitis in other infectious and parasitic diseases classified elsewhere ("herpesviral [herpes simplex] meningitis (B00.3)")

Back-references to B00

• Type 2 Excludes: B10 Other human herpesviruses ("herpes simplex (B00.-)")
• Type 2 Excludes: B10 Other human herpesviruses ("human herpesvirus NOS (B00.-)")
• Type 2 Excludes: B10 Other human herpesviruses ("human herpesvirus 1 and 2 (B00.-)")
• Code Also: D81.82 Activated Phosphoinositide 3-kinase Delta Syndrome [APDS] ("herpes virus infections (B00.-)")
• Code First: H67 Otitis media in diseases classified elsewhere ("viral disease NEC (B00-B34)")

Diagnosis Index entries for B00.3

• Herpes, herpesvirus, herpetic › meningitis (simplex)
• Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) › in (due to) › herpes (simplex) virus

Nearby codes

• B00 Herpesviral [herpes simplex] infections
• B00.0 Eczema herpeticum
• B00.1 Herpesviral vesicular dermatitis
• B00.2 Herpesviral gingivostomatitis and pharyngotonsillitis
• B00.3 Herpesviral meningitis (this code)
• B00.4 Herpesviral encephalitis
• B00.5 Herpesviral ocular disease
• B00.50 Herpesviral ocular disease, unspecified
• B00.51 Herpesviral iridocyclitis
• B00.52 Herpesviral keratitis