Elevated Hemoglobin And Hematocrit Would Having A Hysterectomy Be The Cause Of Elevated RBC As My Doctor Thinks?

Would having a hysterectomy be the cause of elevated RBC as my doctor thinks? - elevated hemoglobin and hematocrit

I recently had some blood work done and my red blood cells is 15.6 and 45.7) with a high income (5.2) with hemoglobin and hematocrit levels (. I told my doctor that this is typical of women who have undergone hysterectomy, and only need to donate blood. I think it could be other reasons for this ... I get a second opinion?