no no, it's the other way around. Because it is not standard (obstacles, G/S angle, runway layout, lights etc), the minimum has to be lifted. And as soon as an ILS is not 200/550 anymore, it's not a CAT I anymore. It's pretty simple. "Uncategorized" means simply: Neighter Cat I, II or III. It's not a category itself, they just want to tell you that it's not 200/550.
If it's further away from standards, like in LUG, Swiss Authorities and other renamed it to an IGS, meaning it's not a precision approach at all anymore, although everything is there: ILS, Loc, G/S, approach lights, runway.
Dani