I am 31 yrs male Recently I did my health

Patient: I am 31 yrs male. Recently I did my health check…I have my RBC count 6.3 and packed cell volume 52.. As per the lab report it says its higher than normal range but I am seeing this normal ranges for RBC in the various websites to be 4.5 to 6.5… Did my RBC count 6.3 is normal or higher?