Comparison of Direct and Extraction Immunoassay Methods With Liquid Chromatography-Tandem Mass Spectrometry Measurement of Urinary Free Cortisol for the Diagnosis of Cushing's Syndrome

CONCLUSIONS: Commercially available immunoassays for measuring UFC show different levels of analytical consistency compared to LC-MS/MS. Abbott-D, Siemens-E, and Beckman-E have high diagnostic accuracy for CS.PMID:37665283 | PMC:PMC10485861 | DOI:10.3343/alm.2024.44.1.29

Source: Annals of Laboratory Medicine - September 4, 2023 Category: Laboratory Medicine Authors: Danni Mu Jiadan Fang Songlin Yu Yichen Ma Jin Cheng Yingying Hu Ailing Song Fang Zhao Qi Zhang Zhihong Qi Kui Zhang Liangyu Xia Ling Qiu Huijuan Zhu Xinqi Cheng Source Type: research