Welcome to HCM.
You are investigated for Rheumatoid disease
and also for Thyroid
problem. It is ok. Your lymphocytes also on higher side whereas in HIV
it will be decreased.
Now, what makes you fear for HIV? Are you have any high risk activities or any history of blood transfusion? If there is nothing like that there is no point for you to worry about HIV.
Follow your physician's advice. You will be alright soon.