Not quite what you are looking for, but might be a helpful starting point or might be useful to someone else. The attached routine will insert Reference Note Bubbles/General Note Bubbles next to Mtext that is already inserted in the drawings. It automatically determines which should be inserted based off of the layer that it is inserted on. I know this was based on an older routine that I found, but I am not sure where, but it has had a lot of updates to make it automatic, I think most of the code was changed, but there might be some small remnants left over.