Why are your lab test normal when you don't FEEL normal?
Your markers may be in the normal reference range, but may be OUT of the functional range. The Functional range is a narrower range that reflects a qualitative number for functionality and health. Are you out of normal functional ranges?
Aside from this, there are many other tests that are not routine test that can reveal essential information about your condition. Routine blood work doesn't always tell your story.
Are all the necessary tests being ordered for you ?