Endocrine, nutritional, and metabolic diseases (E00-E90).
- Hashimoto’s encephalopathy – form of brain abnormality caused by thyroid hormones.
- Neuronal ceroid lipofuscinoses (NCL or CLN) – group of rare, autosomal recessive inherited metabolic diseases of childhood that causes seizures, movement disorders, and other neurological disorders.
Cardiovascular System (I00-I99).
- Vasculitis (vascular inflammation)
Infectious and parasitic diseases (A00-B99).
- HIV infection
- Rubella/herpes encephalitis – inflammation of the brain caused by rubella/herpes infection.
- Subacute sclerosing panencephalitis (SSPE) – late complication after measles infection, which entails a generalized inflammation of the brain with nerve demyelination (demyelination) and severe damage and always ends lethally (fatal)
- Syphilis (Lues)
- Rabies (Rabies)
Liver, gallbladder and bile ducts – Pancreas (pancreas) (K70-K77; K80-K87).
- Hepatic encephalopathy – central nervous system (CNS) dysfunction caused by acute or chronic liver disease.
Neoplasms – tumor diseases (C00-D48).
- Brain tumors, unspecified
- Paraneoplastic – as an accompanying symptom in neoplasms (malignant neoplasms).
Psyche – nervous system (F00-F99; G00-G99)
- Alcoholism
- Delir
- Dementias of all kinds
- Encephalitis (inflammation of the brain)
- GAD antibody encephalitis (GAD encephalitis; GAD = glutamate decarboxylase).
- Epilepsy
- Alzheimer’s disease
- Parkinson’s disease
- Multisystem atrophy – degenerative neurological disease similar to Parkinson’s disease, but much more severe and rapid.
- Normal pressure hydrocephalus – “hydrocephalus”, which does not lead to an increase in pressure due to a simultaneous decrease in brain tissue.
- Progressive multifocal leukoencephalopathy – demyelinating disease of the brain.
- Progressive myoclonic epilepsy – progressive form of epilepsy.
- Psychiatric disorders
- Schizophrenia (mental illness with a loss of reality).
Symptoms and abnormal clinical and laboratory findings not elsewhere classified (R00-R99).
- Hypothermia (hypothermia)
- Uremia (occurrence of urinary substances in the blood above normal values).
Environmental stress – intoxications (poisoning).
- Bismuth intoxication (bismuth poisoning).
- Lithium intoxication (lithium poisoning)