Numbness/tingling in arms and swelling/tightness in hands upon waking in morning. Alsoheavy aching spells in arms 4past2yrs. Doc is aware of it/unsure?

Arthritis? Morning stiffness in the hands can be a sentinel sign of rheumatoid arthritis. Even without abnormal blood tests this can help make the diagnosis. If your primary care doctor has evaluated it and doesn't have a diagnosis, a rheumatologist may be able to help.