Verification of analytical performance of Complement C4 on the Abbott Alinity ci®: Experience of the central laboratory of Mohammed VI University Hospital of Oujda

The primary objective of our study was to validate the analytical performance of complement C4 assay performed on the Abbott Alinity ci®: analyzer using the Immunoturbidimetric method. This validation was conducted in the biochemistry laboratory at Mohammed VI University Hospital in Oujda. The methodology followed the guidelines outlined in the french accreditation committee (COFRAC) technical guide (GTA) 04, focusing on the evaluation of reproducibility and repeatability. Overall, the results were satisfactory and met the standards set by both the manufacturer and the French Society of Clinical Biology. This study highlights the capability of the biochemistry laboratory at Mohammed VI University Hospital in Oujda to deliver accurate and reliable results, which are critical for effective clinical diagnosis and decision-making.