Your questions are fine and they help to make the Wiki article clearer, should clarification become necessary. Other users probably have the same questions.
I found that if I did not configure Electrolytes in Procedure Order with the Identifying Code, the “Yes” would not appear and the panel/study could not be ordered for the patient. I generally prefer to have a range of normal values (Eye folks don’t order much labs, at least not this one. The range of normals is a memory aid.)
If you can get the “Yes” to appear with another configuration, go for it.
If it works, it’s good. If you don’t need Discrete Results, don’t do it. I did not bother with Recommendation. Some of the stuff in the article is didactic.
Regarding your attachment, I think what happened was that deleting a procedure does not really get rid of it. It’s almost like having a ghost around. You thought you killed it but it lingers. The encounter has be deleted to get rid of the ghost or “duplicate”.