Normal levels of plasma albumin range from 2.7 to 3.9 g/dl.6 The author found that a sample of fresh-frozen plasma yielded an albumin level of 2.4 g/dl, with a total protein level of 4.5 g/dl (reference range, 5.2 to 8.2 g/dl) and globulin level of 2.0 g/dl (reference range, 2.5 to 4.5 g/dl).