Ready-to-use ELISA kits are available for the detection of Microalbumin, an alias of the protein, albumin. The official gene symbol is ALB. The protein, with a mass of 69.4 kDa and length of 609 residues, is reported to be secreted. It is a member of the ALB/AFP/VDB family and may be known by other names, including: PRO0903, PRO0883, HSA, and serum albumin.