Ready-to-use ELISA kits are available for the detection of Luteinizing Hormone beta, an alias of the protein, luteinizing hormone beta polypeptide. The official gene symbol is LHB. The protein, with a mass of 15.3 kDa and length of 141 residues, is reported to be secreted. It is a member of the Glycoprotein hormones subunit beta family and may be known by other names, including: LSH-B, HH23, lutropin beta chain, luteinizing hormone beta subunit, interstitial cell stimulating hormone beta chain, and lutropin subunit beta.