1. Reference intervals for post-PEG prolactin are instrument specific1.
2. Post-PEG prolactin corrects the total prolactin from the biologically inactive macroprolactin. The post-PEG result consists of mostly bioactive monomeric prolactin.
Source:
1. Beltran L, Fahie-Wilson MN, Mckenna TJ, Kavanagh L, Smith TP. Serum total prolactin and monomeric prolactin reference intervals determined by precipitation with polyethylene glycol: evaluation and validation on common immunoassay platforms. Clin Chem. 2008 Oct;54(10):1673-81.
2. Jamaluddin FA, Sthaneshwar P, Hussein Z, Othman N, Chan SP. Importance of screening for macroprolaction in all hyperprolactionaemic sera. Malays J Pathol, 2013 Jun;35(1):59-63