Lab results indicating inflammation- Jan your knowledge?

1. What was figured out here - Is it normal to have some inflammation? My son ( who is on humira) has had his inflammation creeping up via blood tests but normal cal protectin. GI wants to do an endoscopy and pouchoscopy even though because of normal cal protectin she does not expect to find anything in pouch. She wonders about disease in stomach.

2. But my son is already on humira with good trough levels so what could even be done if there is inflammation?

I am dealing with this situation now. Diagnosed with UC, and had it for 25 years before surgery.  Five years  with pouch and pretty constant simmering inflammation (ulcers now)  that is getting harder to control with antibiotics and I have been diagnosed with enteritis as well.  But I also have an ongoing stricture at my connection that could be causing many of my symptoms.  

My GI feels certain I have UC. Surgeon is questioning Crohn's although all tests (promethius) SEVERAL scopes and biopsies over 25 years with UC and 5 years with pouch show no Crohn's. I am seeing my GI this week to discuss these findings and see if she changes medication treatment plan and can update others of my visits. I tend to agree with others on this forum who have indicated that the diagnosis at this time. after having a pouch. does not matter as much as getting the right treatment to save the pouch if it is giving us continual troubles.

 Also, my original surgeon told me more than once that most people with a jpouch do have some level of inflammation in their pouch even when they come in for routine update and are feeling fine.