G05.3

Billable

Encephalitis and encephalomyelitis in diseases classified elsewhere

G05.3 is the ICD-10-CM code for Encephalitis and encephalomyelitis in diseases classified elsewhere. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
G00-G99
Parent
G05
Edition
FY2026

G00-G99 Diseases of the nervous system

What this means — in plain language

MedlinePlus · NIH

What is encephalitis? Encephalitis is inflammation (swelling) of the brain. It can happen when an infection or medical condition that affects the brain activates your immune system. The inflammation can cause a wide range of symptoms. In extreme cases, it can lead to brain damage, stroke , or even death. What causes encephalitis? There are different types of encephalitis, based on what the cause is. The two main…

Read more about Encephalitis at MedlinePlus ↗

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

Includes

  • Meningoencephalitis in diseases classified elsewhere

Code first

  • underlying disease

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code G05.3?
G05.3 is the ICD-10-CM code for "Encephalitis and encephalomyelitis in diseases classified elsewhere". It falls under G00-G99 Diseases of the nervous system.
Is G05.3 a billable code?
Yes — G05.3 is a billable, specific ICD-10-CM code valid for reimbursement.

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

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