It has a minimum rating of 30%, however the condition is rated based upon the areas that are affected. Because 10%, 20% and 10% round up to 40%, you will get that rather than the minimum rating of 30%.
For the condition of NMO, you should receive 40% based upon what information you have provided. You may find yourself requesting a ratings upgrade in the future if the condition worsens, especially if it affects your optic nerve.
Code 8018:
Multiple sclerosis (a.k.a.
MS) is a degenerative disease that gets worse over time and causes the tissues surrounding the
axons in the brain and spinal cord to swell, disconnecting the brain from the rest of the body. Symptoms get worse over time and include loss of coordination, weakness, difficulty eating (
7203,
9901), muscle spasms or tics (
8103-
8104), difficulty breathing (
6840-6841), nerve paralysis, double vision (
6009), depression (
9434), and other
mental disorders. It is rated on the
Central Nervous Rating System. The minimum rating for this condition is 30%.