Immuno Concepts pioneered the conversion from rodent tissue to Hep-2 cells for detection of anti-nuclear antibodies. The company was founded in 1979 to advance the quality of diagnostic assays for systemic rheumatic diseases. Pursuing Conformit Europ enne (CE) mark certification for its products, Immuno Concepts is ISO 9001 certified. Immuno Concepts is located in Sacramento, Calif.