normal hematocrit ranges
Normal values for the hematocrit test vary according to age, sex, pregnancy, altitude where people live, and even vary slightly between various testing methods. The following are reported ranges of normal hematocrit levels: 1  Newborns: 55%-68%.2  One (1) week of age: 47%-65%.3  One (1) month of age: 37%-49%.4  Three (3) months of age: 30%-36%. 5  One (1) year of age: 29%-41%. 6  Ten (10) years of age: 36%-40%.he following are reported ranges of normal hematocrit levels: 1  Newborns: 55%-68%. 2  One (1) week of age: 47%-65%. 3  One (1) month of age: 37%-49%. 4  Three (3) months of age: 30%-36%. 5  One (1) year of age: 29%-41%. 6  Ten (10) years of age: 36%-40%.