The PAN Foundation and Patient Advocate Foundation announced a strategic merger in March 2026. In the meantime, nothing is changing for patients. You can continue to apply for and use financial assistance from the PAN Foundation through panapply.org or by calling us at 1-866-316-7263. You can learn more about the announcement at uniting.patientadvocate.org.
Diagnosis codes
ICD-10: G36.0
About the disease
Neuromyelitis optica spectrum disorder (NMOSD), also known as Devic’s disease and neuromyelitis optica (NMO), is a rare autoimmune disease where an individual’s immune system reacts against its own cells in the central nervous system, mainly in the optic nerves and spinal cord, but sometimes brain. It is a rare disease that affects the nervous system.
Source: National Institutes of Health
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