G94: Other disorders of brain in diseases classified elsewhere

G94.8: Other specified disorders of brain in diseases classified elsewhere

The brain is made up of several areas. For example, the cerebrum is used to think and plan actions. In the cerebellum, movements are initialized and coordinated. The brain stem is responsible for various unconscious tasks such as breathing. The brain stem passes into the spinal cord.

In your case, some other disorder is the reason for your brain disorder.