Quantitation of Human Chorionic Gonadotropin with the Abbott IMx Immunochemistry Analyzer

The analytical performance of the Abbott IMx automated system was studied and initial results from the human chorionic gonadotropin assay are presented: Within run and between day precision was good, the majority of all CVs lying between 3 and 5%; Patient results showed excellent comparability with our routine method; No significant specimen-related carry-over was detected; The automated IMx dilution protocol was found to be superior to the manual procedure; The usefulness of the instrument in routine use and as a "Stat" analyzer was very good.