A87.9

Viral meningitis, unspecified

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

Inherited from A87Viral meningitis
Excludes 1

meningitis due to herpesvirus [herpes simplex] (B00.3) meningitis due to herpesvirus [herpes simplex] (B00.3) meningitis due to measles virus (B05.1) meningitis due to mumps virus (B26.1) meningitis due to poliomyelitis virus (A80.-) meningitis due to zoster (B02.1)

Inherited from A80-A89Viral and prion infections of the central nervous system
Excludes 1

postpolio syndrome (G14) sequelae of poliomyelitis (B91) sequelae of viral encephalitis (B94.1)

Inherited from chapter 1Certain infectious and parasitic diseases
Includes

diseases generally recognized as communicable or transmissible

Excludes 1

certain localized infections - see body system-related chapters

Excludes 2

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.-)

Official Guidelines for A87.9

FY 2026 ›
I.C.1Chapter-specific guidanceChapter 1: Certain Infectious and Parasitic Diseases (A00-B99), U07.1, U09.9

Subsections

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