Multiple sclerosis or other white matter disorders

Definition

This is a group of conditions involving demyelination, damage to the myelin sheath which protects nerve axons and is responsible for neurotransmission.

9 subordinate codes

• 8A40Multiple sclerosis
• 8A41Isolated demyelinating syndromes of the central nervous system
• 8A42Acute disseminated encephalomyelitis
• 8A43Neuromyelitis optica
• 8A44Leukodystrophies
• 8A45Secondary white matter disorders
• 8A46Central demyelination of corpus callosum
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Diseases of the nervous system

• 8A00-8A0ZMovement disorders
• 8A20-8A2ZDisorders with neurocognitive impairment as a major feature
• 8A60-8A6ZEpilepsy or seizures
• 8A80-8A8ZHeadache disorders
• 8B00-8B2ZCerebrovascular diseases
• 8B40-8B4ZSpinal cord disorders excluding trauma
• 8B60-8B6ZMotor neuron diseases or related disorders
• 8B80-8C4ZDisorders of nerve root, plexus or peripheral nerves