The Central Ligand Assay Satellite Services (CLASS) laboratory is a unit of The University of Michigan, School of Public Health, Department of Epidemiology. The Lab was founded in 1985 as part of the Reproductive Sciences Program functioning as its central facility for analysis of reproductive hormones.

     Our 1,700 square feet of off-campus University Laboratory space is devoted to handling samples and assays. We also have an additional 2,000+ square feet of space fitted with heavy duty power outlets, additional air-conditioning, gas-powered back-up generator, and alarm systems for 27 large, ultra-low temperature (-80°C) chest freezers for extended sample storage. Our facility also houses our Administrative and Information Technology offices and database and server clusters.

     The CLASS Laboratory routinely performs more than 24 different assay types(primarily serum and urine reproductive hormones, cytokines and growth factors) and over the past 14 years has performed more than 1,000,000 individual assays, tracked more than 700,000 samples, and produced more than 100,000 collection kits.

     Our highly trained and dedicated core staff averages more than 12 years with the program.

     The CLASS Laboratory uses state-of-the-science, reliable, precise, and cost-effective analytical methods that minimize variability, provide long-term sample and assay stability, and maximize assay reliability. We incorporate internal quality assurance procedures that minimize error and variability as assessed by rigorous quality control procedures.

     We have developed, and employ, electronic data handling systems and analysis procedures that provide increased efficiencies, reduce labor costs, eliminate manual operations to reduce the possibility of errors, and preserve assay and analysis data.

     We use sample labeling and handling systems that ensure positive identification of sample and result while maintaining the integrity of the sample. Samples are handled in ways that maximize preservation of all residual sample; and aliquots of unused samples destined for storage are handled in ways that maximize their value to future studies. We ensure that the confidentiality of samples submitted to the laboratory is maintained.