- Disorders of brain development
- Intellectual disability
- Global developmental delay
- Structural developmental disorders
- Congenital hydrocephalus
- Neural tube defects
- Segmentation, cleavage and midline defects
- Holoprosencephaly
- Septo-optic dysplasia
- Agenesis of the corpus callosum
- Arrhinencephaly
- Neuronal migration defects
- Lissencephaly
- Periventricular nodular heterotopia
- Polymicrogyria
- Ulegiria
- Megalencephaly
- Hemimegalencephaly
- Posterior fossa anomalies
- Arnold-Chiari malformation
- Dandy-Walker malformation
- Joubert's syndrome
- Moebius syndrome
- Abnormalities of the skull and spine
- Craniosynostosis
- Dwarfism
- Deformities of the base of the skull and neck
- Platabasia
- Osteogenesis imperfecta
- Hajdu-Cheney syndrome
- Klippel-Feil anomaly
- Occipitalization of the Atlas
- Communication disorders
- Language disorders
- Phonological disorders
- Childhood-onset fluency disorder (stuttering)
- Social communication disorder (pragmatic)
- Autism spectrum disorder
- Attention Deficit Hyperactivity Disorder (ADHD)
- Specific learning disorders
- Reading difficulties
- Difficulties in written expression
- Mathematical difficulty
- Motor disorders
- Developmental coordination disorder
- Stereotyped movement disorder
- Tourette's Disorder
- Persistent motor or vocal tics (chronic)
- Transient Tics
- Spectrum of schizophrenia and other psychotic disorders
- Schizotypal (Personality) Disorder
- Delusional disorder
- Brief psychotic disorder
- Schizophreniform disorder
- Schizophrenia
- Schizoaffective disorder
- Substance/medication-induced psychotic disorder
- Psychotic disorder due to other pathology
- Catatonia
- Bipolar disorder and related disorders
- Bipolar I disorder
- Bipolar II disorder
- Cyclothymic disorder
- Bipolar disorder and related substance/medication-induced disorder
- Depressive disorders
- Disruptive mood dysregulation disorder
- Major depressive disorder
- Persistent depressive disorder (dysthymia)
- Premenstrual dysphoric disorder
- Substance/medication-induced depressive disorder
- Anxiety disorders
- Separation anxiety disorder
- Selective mutism
- Specific phobia
- Social anxiety disorder (social phobia)
- Panic disorder
- Agoraphobia
- Generalized anxiety disorder
- Substance/medication-induced anxiety disorder
- Obsessive-compulsive and related disorders
- Obsessive-compulsive disorder
- Body dysmorphic disorder
- Accumulation disorder
- Trichotillomania (hair pulling disorder)
- Excoriation disorder (scratching of the skin)
- Substance/medication-induced obsessive-compulsive disorder
- Trauma-related disorders and stress factors
- Reactive attachment disorder
- Disinhibited Social Relationship Disorder
- Post-traumatic stress disorder
- Acute stress disorder
- Adaptation disorders
- Dissociative disorders
- Dissociative identity disorder
- Dissociative amnesia
- Depersonalization/derealization disorder
- Somatic symptom disorders and related disorders
- Somatic symptom disorder
- Sickness anxiety disorder
- Conversion disorder (functional neurological symptom disorder)
- Factitious disorder
- Eating disorders and food intake disorders
- Pica
- Rumination disorder
- Food intake avoidance/restriction disorder
- Anorexia nervosa
- Bulimia nervosa
- Binge eating disorder
- Excretion disorders
- Sleep-wake disorders
- Insomnia
- Hypersomnia
- Narcolepsy
- Breathing-related sleep disorders
- Obstructive sleep apnea
- Central sleep apnea
- Sleep-related hypoventilation
- Disorders of circadian sleep-wake rhythms
- Parasomnias
- Sexual dysfunctions
- Delayed ejaculation
- Premature ejaculation
- Erectile disorder
- Female orgasmic disorder
- Genitopelvic pain disorder/penetration disorder
- Hypoactive sexual desire disorder in the male
- Substance/medication-induced sexual dysfunction
- Gender dysphoria
Disruptive, impulse control and behavioral disorders
- Oppositional defiant disorder
- Intermittent explosive disorder
- Behavioral disorder
- Antisocial personality disorder
- Pyromania
- Kleptomania
- Substance-related and addictive disorders
- Substance-related disorders
- Alcohol use disorder
- Alcohol intoxication
- Abstinence from alcohol
- Caffeine-related disorders
- Caffeine intoxication
- Caffeine withdrawal
- Cannabis-related disorders
- Cannabis use disorder
- Cannabis intoxication
- Cannabis withdrawal
- Hallucinogen-related disorders
- Phencyclidine use disorder
- Phencyclidine poisoning
- Hallucinogenic persistent perceptual disorder
- Other hallucinogenic use disorder
- Inhalant-related disorders
- Inhalant use disorder
- Inhalation poisoning
- Opioid-related disorders
- Opioid Use Disorder
- Opiate intoxication
- Opioid withdrawal
- Sedative, hypnotic or anxiolytic drug use disorder.
- Intoxication by sedatives, hypnotics or anxiolytics.
- Abstinence from sedatives, hypnotics or anxiolytics.
- Stimulant-related disorders
- Stimulant use disorder
- Amphetamine
- Cocaine
- Other stimulants
- Stimulant intoxication
- Stimulant withdrawal
- Tobacco-related disorders
- Tobacco use disorder
- Tobacco abstinence
- Neurocognitive disorders
- Delirium
- Alzheimer's disease
- Frontotemporal neurocognitive disorder
- Neurocognitive Lewy Body Disorder
- Vascular neurocognitive disorder
- Traumatic brain injury
- Neuro-AIDS
- Prion disease
- Parkinson's disease
- Huntington's disease
- Personality disorders
- Personality disorders: Cluster A
- Paranoid personality disorder
- Schizoid personality disorder
- Schizotypal personality disorder
- Personality disorders: Cluster B
- Antisocial personality disorder
- Borderline personality disorder
- Histrionic personality disorder
- Narcissistic personality disorder
- Personality disorders: Cluster C
- Avoidant personality disorder
- Dependent personality disorder
- Obsessive-compulsive personality disorder
- Paraphilic disorders
- Voyeurism
- Exhibitionism
- Frotteurismo
- Sexual masochism
- Sexual sadism
- Fetishist
- Transvestism
- Degenerative and structural disorders
- Degenerative structural disorders
- Degenerative disc disease
- Lumbosacral radiculopathies
- Cervical radiculopathies
- Cervical spondylosis
- Ankylosing spondyloarthritis
- Compressive structural disorders
- Fibrous dysplasia
- Paget's disease
- Compressive neuropathies
- Storage diseases
- Neuronal ceroid-lipofuscinosis
- Lipidosis
- Gangliosidosis
- Sphingomyelinosis
- Cerebrosidosis
- Mucopolysaccharidosis
- Mucolipidosis
- Glycogenosis
- Leukodystrophies
- Pelizaeus-Merzbacher Syndrome
- Cockayne syndrome
- Alexander syndrome
- Canavan syndrome
- Krabbe syndrome
- Metachromatic leukodystrophies
- Peroxisomal leukodystrophies
- Other lipidoses
- Fabry disease
- Non-infantile Refsum disease
- Abetalipoproteinemia
- Bassem-Kornzweig syndrome
- α-lipoproteinemia
- Aminoacidopathies and organic acidopathies
- Hereditary disorders related to the metabolism of vitamins.
- Biotin-sensitive encephalopathy
- Vitamin B12 metabolism disorders
- Methylenetetrahydrofolate reductase deficiency
- Mitochondrial enzyme defects
- Subacute necrotizing encephalomyelopathy
- Progressive infantile polyodystrophy
- Lethal infant mitochondrial disease
- Congenital lactic acidosis
- Myoclonic epilepsy and irregular red fiber syndrome.
- Mitochondrial encephalopathy, lactic acidosis and stroke-like episodes.
- Chronic progressive external progressive ophthalmoplegia
- Kearns-Sayre syndrome
- Leber hereditary optic neuropathy
- Malignant migraine
- Neuropathy syndrome, ataxia, retinitis pigmentosa
- Mitochondrial myopathies
- Reye's syndrome
- Fatty acid oxidation disorders
- Medium-chain acyl-CoA dehydrogenase deficiency
- Carnitine transport defect
- Carnitine palmitoyl transferase II deficiency
- Other metabolic disorders
- Lesch-Nyhan disease (hypoxanthine-guanine phosphoribosyltransferase deficiency)
- Glycoprotein Carbohydrate Deficiency Glycoprotein Syndrome
- Carbohydrate-deficient glycoprotein syndrome
- Porphyrias
- Chromosomal abnormalities
- Autosomal aberrations
- Trisomy 21 (Down syndrome)
- Trisomy 18 (Edward syndrome)
- Trisomy 13 (Patau's syndrome)
- Prader-Willi syndrome
- Aberrations of the sex chromosomes
- Klinefelter's syndrome
- XYY Syndrome
- Turner syndrome
- Fragile X Syndrome
- Facomatosis
- Autosomal dominant diseases
- Neurofibromatosis (Von Recklinghausen's disease)
- Incontinentia Pigmenti Achromians (hypomelanosis of Ito)
- Rendu-Osler-Weber Syndrome
- Waardenburg syndrome
- Von Hippel-Lindau disease
- Autosomal recessive diseases
- Ataxia-Telangiectasia
- Chédiak-Higashi syndrome
- Refsum Syndrome
- Rothman-Thomson syndrome
- Rud Syndrome
- Sjögren-Larsson Syndrome
- Xeroderma pigmentosum
- X-linked inheritance
- Fabry-Anderson disease
- Incontinentia pigmenti (Bloch-Sulzberger syndrome)
- Neurodegenerative dementias (neurocognitive disorders)
- Cortical dementias
- Alzheimer's disease
- Asymmetric cortical degeneration syndromes
- Frontotemporal degeneration
- Subcortical dementias
- Parkinson-Dementia Complex
- Multisystem atrophy
- Progressive supranuclear palsy
- Mixed cortical-subcortical dementias
- Corticobasal degeneration
- Lewy body dementia
- Movement disorders
- Hypokinetic movement disorders
- Parkinson's disease
- Parkinson-Plus Syndromes
- Hyperkinetic movement disorders
- Huntington's disease
- Korea essential
- Hallervorden-Spatz disease
- Gilles de la Tourette's syndrome
- Tics
- Stereotypies
- Restless legs syndrome
- Pain syndrome of legs and toes
- Action tremors (tremors without rest)
- Essential tremor
- Wilson's disease
- Hemifacial spasm
- Essential myoclonus
- Ataxias
- Congenital ataxias
- Hereditary ataxias
- Autosomal dominant disorders
- Autosomal recessive disorders
- Idiopathic non-hereditary cerebellar ataxia
- Symptomatic ataxias
- Degenerative motor, sensory, and autonomic disorders.
- Degenerative upper and lower motor neuron disorders
- Amyotrophic Lateral Sclerosis
- Spinal muscular atrophies
- Hereditary spastic paraplegia
- Degenerative muscle disorders
- Dystrophinopathies
- Duchenne muscular dystrophy
- Becker muscular dystrophy
- Limb-girdle muscular dystrophies
- Facioscapulohumeral muscular dystrophy
- Scapuloperoneal syndromes
- Myotonic dystrophy
- Oculopharyngeal muscular dystrophy
- Emery-Dreifuss muscular dystrophy
- Distal myopathies
- Degenerative neuropathies
- Hereditary sensory and motor neuropathies
- Hereditary sensory and autonomic neuropathies
- Multi-system atrophy autonomic neuropathy
- Hereditary nondegenerative neuromuscular disease
- Muscular channelopathies (myotonias and periodic paralysis)
- Sodium channelopathies
- Chloride channelopathies
- Potassium channelopathies
- Possible muscular canalopathy
- Congenital myopathies
- Nemaline myopathy
- Myotubular/centronuclear myopathy
- Central core disease
- Congenital disproportion of fiber type
- Congenital myasthenia
- Malignant hyperthermia
- Familial amyloid polyneuropathy
- Axonal neuropathy
- Isaac's disease
- Endogenous metabolic disorders
- Electrolyte abnormalities
- Sodium disorders
- Potassium disorders
- Oxygen and carbon dioxide abnormalities
- Endocrine abnormalities
- Thyroid disorders
- Parathyroid disorders
- Growth hormone disorders
- Glucose Metabolism Disorders
- Diabetes
- Organic failure
- Hepatic insufficiency
- Renal insufficiency
- Exogenous acquired metabolic disorders of the nervous system
- Manganese
- Inorganic mercury
- Organic mercury
- Organic solvents
- Mixed Solvents
- Methyl alcohol
- N-hexane and methyl-N-butyl ketone
- Toluene (methylbenzene)
- Trichloroethylene
- Carbon Disulfide
- Carbon tetrachloride
- Pesticides
- Organophosphorus insecticides
- Organochlorine insecticides
- Animal toxins
- Snake, scorpion and spider venoms
- Tick paralysis
- Plant toxins
- Chickpea (Latirism)
- Mushrooms
- Bacterial toxins
- Illicit drugs
- Cocaine
- Amphetamine analogs
- Methylenedioxymethamphetamine
- Opioid agonists
- Hallucinogens
- Methyl-phenyl-tetrahydropyridine
- Phencyclidine
- Cannabinol (marijuana)
- Nutritional deficiencies
- Vitamin deficiencies
- Thiamine
- Niacin and nicotinic acid
- Pyridoxine (Vitamin B6)
- Vitamin A, D, E
- Pantothenic acid
- Protein-energy malnutrition
- Alcohol-related problems
- Acute intoxication
- Withdrawal syndromes
- Amblyopia due to deficiency
- Cerebellar degeneration
- Marchaifava-Bignami disease
- Alcoholic myopathy
- Alcohol-related movement disorders
- Poliovirus
- Mumps
- Arthropod-borne viruses
- Arenavirus
- Lymphocytic choriomeningitis virus
- Rubella
- Human T-cell lymphotropic virus type 1
- DNA viruses
- Herpes simplex
- Varicella zoster virus
- Human herpesvirus-6
- Epstein Barr Virus
- Smallpox virus
- Non-Viral Infections
- Bacterial infections
- Acute bacterial meningitis
- Brain abscess
- Cranial and spinal subdural empyema
- Cranial and spinal epidural abscess
- Cat scratch disease
- Whipple's disease
- Mycobacterial infections
- Mycobacterium tuberculosis
- Mycobacterium avium
- Spirochete infections
- Neurosyphilis
- Lyme disease
- Other tick-borne infections
- Ehrlichiosis
- Rocky Mountain Spotted Fever
- Fungal infections
- Cryptococcus neoformans
- Histoplasma capsulatum
- Blastomyces dermatitidis
- Aspergillus fumigatus
- Candida
- Amoebic infections
- Neurocysticercosis
- Malaria
- Transmissible spongiform encephalopathy
- Prion disease
- Sporadic disease
- Family illness
- Iatrogenic disease
- Creutzfeldt-Jakob Disease
- Human immunodeficiency virus and acquired immunodeficiency syndrome
- HIV-related central nervous system disorders
- Septic meningitis
- HIV-associated cognitive impairment
- HIV-associated myelopathies
- HIV-related disorders of the peripheral nervous system
- HIV-associated neuropathies
- HIV-1-related myopathies
- HIV-associated neoplasms
- Primary central nervous system lymphoma
- Metastatic non-Hodgkin's lymphoma
- AIDS-related opportunistic infections
- Neurovascular disorders
- Ictus
- Atherothrombotic disease
- Occlusive disease of small penetrating arteries
- Cerebral embolism
- Systemic hypotension
- Non-atherosclerotic occlusive diseases
- Hemorrhagic cerebrovascular diseases
- Primary intracerebral hemorrhage
- Subarachnoid hemorrhage
- Arteriovenous malformations
- Traumatic neurovascular diseases
- Carotid-cavernous sinus fistulas
- Subdural hematomas
- Strokes of the spinal cord
- Primary neurological tumors
- Neuroectodermal tumors
- Glioma, astrocytoma and low-grade pilocytic astrocytoma
- Anaplastic astrocytoma
- Oligodendroglioma
- Oligoastrocytoma
- Ependymoma
- Medulloblastoma
- Primary CNS lymphoma
- Nerve Sheath Tumors
- Acoustic schwannoma
- Trigeminal Neurilemoma
- Spinal cord tumors
- Pituitary tumors
- Dermoid, epidermoid and teratoma
- Tumors of the pineal gland and germ cells
- Hemangioblastoma
- Chordoma
- Tumors of the jugular glomus (carotid body)
- Colloid cysts
- Papilloma of the choroid plexus
- Metastatic neoplasms
- Intraparenchymal metastases
- Meningeal and ventricular metastases
- Skull base metastases
- Spinal metastases
- Peripheral nerve metastases
- Paraneoplastic syndromes
- Demyelinating disorders
- Multiple sclerosis
- Neuromyelitis optica
- Acute disseminated encephalomyelitis
- Acute inflammatory inflammatory demyelinating polyradiculoneuropathy
- Chronic inflammatory inflammatory demyelinating polyradiculoneuropathy
- Monoclonal gammopathies
- Multiple myeloma
- Waldeström's Macroglobulinemia
- Osteosclerotic myeloma
- Multifocal motor neuropathy with conduction block
- Autoimmune and inflammatory disorders
- Inflammatory vasculopathies: arteritis
- Extracranial granulomatous arteritis
- Giant cell temporal arteritis
- Intracranial granulomatous arteritis
- Polyarteritis nodosa
- Wegener's granulomatosis
- Vasculitis associated with antiphospholipid antibodies
- Thromboangiitis obliterans
- Connective tissue diseases
- Rheumatoid arthritis
- Systemic lupus erythematosus
- Progressive systemic sclerosis
- Mixed connective tissue disease
- Sjögren's syndrome
- Myasthenia gravis
- Dermatomyositis
- Polymyositis
- Eosinophilic myositis
- Inclusion body myositis
- Behçet's disease
- Traumatic disorders
- Acute head injury
- Post-concussion syndrome
- Cranial neuropathies
- Post-traumatic epilepsy
- Post-traumatic movement disorders
- Spinal cord injury
- Whiplash injuries
- Brachial and lumbosacral plexopathies
- Reflex sympathetic dystrophy and causalgia
- Mountain sickness
- Decompression sickness
- Electrical and lightning injuries
- Epilepsy
- Types of self-limited seizures
- Generalized seizure
- Attack of great evil
- Clonic seizure
- Typical absence seizures
- Atypical absence seizures
- Myoclonic absence seizures
- Tonic seizure
- Spasms
- Myoclonic seizures
- Eyelid myoclonus
- Myoclonic atonic seizures
- Negative myoclonus
- Atonic crises
- Focal crisis
- Sensory Focal Crisis
- Focal motor seizures
- Gelastic seizures
- Secondary generalized seizures
- Types of continuous seizures
- Generalized status epilepticus
- Generalized tonic-clonic status epilepticus
- Clonic status epilepticus
- Status or absence epilepticus
- Tonic status epilepticus
- Myoclonic status epilepticus
- Focal status epilepticus
- Continuous partial status of Kojevnikov
- Aura continues
- Limbic status epilepticus (psychomotor status)
- Status or hemiconvulsive
- Headache
- Migraine
- Tension headache
- Cluster headache
- Chronic paroxysmal hemicrania
- Idiopathic intracranial hypertension
- Hypotensive headache
- Cervico-facial pain
- Trigeminal neuralgia
- Cervicogenic headache
- Occipital neuralgia
- Glossopharyngeal neuralgia
- Carotidinia