albumin count normal range
Reference Range. The reference range for albumin testing is as follows: The normal range is 3.5 to 5.5 g/dL or 35-55 g/liter. This range may vary slightly in different laboratories. Albumin composes 50%-60% of blood plasma proteins.An image depicting human serum albumin can be seen below.The structure of human serum albumin.he normal range is 3.5 to 5.5 g/dL or 35-55 g/liter. This range may vary slightly in different laboratories. Albumin composes 50%-60% of blood plasma proteins.