This unit is hardly used since its Installation 5 years ago. The system was used once a week for Allergy testing purposes. Providing multiple tests on a single, easy-to-use analyzer, the IMMULITE® 2000 XPi Immunoassay System makes it simple to scale your capabilities without disrupting regular day-to-day operations. Immunoassay testing capability with a wide range of specialty assays, including allergy testing. Consolidate routine and specialty testing, including allergy, on a single platform in labs with low to medium test volumes. Incorporate specialty testing, including allergy, into routine workloads without interrupting the lab workflow in labs with medium to high test volumes.