If I want to find out which vitamin and minerals I have a deficiency or taking to much how would I go about doing that, is there a blood test of sorts?

Yes. There are symptoms specific for certain deficiencies, and accordingly you can do targeted blood levels of the suspected deficiency.
Vitamin deficiency. Constellation of symptoms of a specific vitamin deficiency or excess, lead to doing blood work to ckeck levels of those vitamins. Your doctor can review those with you in details.