Chemiluminescence immunoassay (CLIA) has several advantages over other assay methods, including its high sensitivity, specificity, and rapid turnaround time. Compared to enzyme-linked immunosorbent assay (ELISA), Chemiluminescence Immunoassay is generally more sensitive, allowing for the detection of lower levels of target molecules in biological samples. Additionally, CLIA has a wider dynamic range than ELISA, meaning that it can detect a broader range of concentrations of the target molecule.

CLIA also has several advantages over radioimmunoassay (RIA), which uses radioactive labels to detect target molecules. CLIA eliminates the safety concerns associated with radioactivity and allows for easier disposal of waste materials. Furthermore, CLIA does not require the use of special equipment for detecting radioactivity, making it more practical for use in clinical settings.

Despite its many advantages, Chemiluminescence Immunoassay does have some limitations. One major limitation is that it is highly dependent on the quality of the antibodies used, and cross-reactivity with other molecules can lead to false positives. Additionally, CLIA can be expensive, as it requires specialized reagents and equipment.

Overall, CLIA offers many advantages over other assay methods, and its applications continue to expand. However, its limitations must be carefully considered when choosing an appropriate assay method for a particular application.