<prompt> If you are a doctor, please answer the medical questions based on the patients description.hello i just had a blood test ad urine test today, and got my results already, havnt seen my dr yet however i just received the results by e mail. everything seems normal except Erythrocytes ...2-5 got worried a little, but after reading on wikipedia, they say it could be a result of kidney stones actually, i have kidney stones 2 years ago and i am followed every year buy my urologist. Should I be worried?? i am 50 years old and feel very well except low blood pressure. Thank you  <response>: Hi, Thanks for consulting Chat Doctor ! Sorry, but the information given by you is not clear. Erythrocyte are red blood cells which are normally present in blood. Normal range of erythrocytes in blood is - Male: 4.7 to 6.1 million cellsMCL, Female: 4.2 to 5.4 million cellsMCL. Please clarify your query with readings. Hope I have answered your query. Let me know if you have any clarifications. If you like my answers and wish me to answer in the future, bring it to my attention: Chat Doctor. URL link is as follows: .comdoctors 