I may have PV?

Hi My name is Pete. I am a 47 y/o male with a highest hgb of 18.6 and hct of 55% with elevated iron levels. I have had several phelebotomies since Feb. and had a bone maroow biopsy on Thursday awaitnig results. Any help in undersatanding why my H&H is so high and feeling these symptoms will be greatly apppreciated. Thank You!