Since the only available field to describe the contents of this value set is the Definition field, for these two value sets, need to describe what "other" means.

A user should not be expected to look at a value set expansion to determine the scope of the value set contents. 

In the case of Other Neurological Disorders, there are two other neurological related value sets that could be mentioned as exclusions from this one. However with the Other Thyroid value set, there is no way for an implementer to know what distinguishes the scope of this value set from something that might contain thyroid conditions. 

For example - Thyroid conditions excluding ........ or Thyroid conditions that are related to inflammation and something else.........