U.S. ICD-10-CM · FY 2027

A87 ICD-10-CM Code: Viral meningitis

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

A87

Viral meningitis

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where A87 sits

  1. 1

    Chapter 1

    Certain infectious and parasitic diseases (A00-B99)

  2. 2

    Section

    Viral and prion infections of the central nervous system (A80-A89)

  3. 3

    Category A87

    Viral meningitis

  4. 4

    Code A87

    Viral meningitis

More specific choices

Codes under A87

A87 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for A87.

Code first

No “code first” instruction is listed for A87.

Use additional code

No “use additional code” instruction is listed for A87.

Excludes1

Conditions that should not be reported together with this code.

  • 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)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for A87.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code A87 mean?

A87 is the FY 2027 U.S. ICD-10-CM code for “Viral meningitis.”

Is A87 a billable or specific ICD-10-CM code?

No. A87 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is A87 located in ICD-10-CM?

A87 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Viral and prion infections of the central nervous system (A80-A89) (A80–A89), under category A87, Viral meningitis.

What coding notes are listed for A87?

No inclusion terms are listed for A87 in this reference record. No code-first instruction is listed. Excludes1 notes: 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). No Excludes2 note is listed.

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