The cost of an ELISA test can vary widely, depending on factors such as the type of ELISA, the complexity of the assay, the number of samples, and the testing facility. In clinical settings, basic ELISA tests may range from $20 to $100 per test, while specialized or multiplex ELISA assays can be more expensive. Research-grade ELISA kits are available at varying price points. It's advisable to check with the specific laboratory, testing facility, or supplier for accurate pricing details.