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A87

Non-billable

Viral meningitis

A87 is the ICD-10-CM code for Viral meningitis. It is a non-billable category code — use a more specific child code such as A87.0 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Subcodes
5
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

What this means — in plain language

MedlinePlus · NIH

Meningitis is inflammation of the thin tissue that surrounds the brain and spinal cord, called the meninges. There are several types of meningitis. The most common is viral meningitis. You get it when a virus enters the body through the nose or mouth and travels to the brain. Bacterial meningitis is rare but can be deadly. It usually starts with bacteria that cause a cold-like infection. It can cause stroke ,…

Read more about Meningitis at MedlinePlus ↗
Viral Infections ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

  • •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)

Frequently asked questions

What is ICD-10 code A87?
A87 is the ICD-10-CM code for "Viral meningitis". It falls under A00-B99 Certain infectious and parasitic diseases.
Is A87 a billable code?
No — A87 is a non-billable header code. Use a more specific child code (such as A87.0) for billing.
What are the subcodes of A87?
A87 has 5 more specific child codes, including A87.0, A87.1, A87.2.
What is excluded from A87?
Excludes1 (not coded here): 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).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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