G09

Billable

Sequelae of inflammatory diseases of central nervous system

G09 is the ICD-10-CM code for Sequelae of inflammatory diseases of central nervous system. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
G00-G99
Edition
FY2026

G00-G99 Diseases of the nervous system

What this means — in plain language

MedlinePlus · NIH

Your brain is the control center of your body. It controls your thoughts, memory, speech, and movement. It regulates the function of many organs. It's part of your nervous system, which also includes your spinal cord and peripheral nerves. The nervous system sends signals between your brain and the rest of the body. Your nerves take in information from your senses and send it to the brain to be processed. Your brain…

Read more about Brain Diseases at MedlinePlus ↗

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

Code first

  • condition resulting from (sequela) of inflammatory diseases of central nervous system

Notes

  • Category G09 is to be used to indicate conditions whose primary classification is to G00-G08 as the cause of sequelae, themselves classifiable elsewhere. The 'sequelae' include conditions specified as residuals.

Frequently asked questions

What is ICD-10 code G09?
G09 is the ICD-10-CM code for "Sequelae of inflammatory diseases of central nervous system". It falls under G00-G99 Diseases of the nervous system.
Is G09 a billable code?
Yes — G09 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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