the kveim test, nickerson-kveim or kveim-siltzbach test is a skin test used to detect sarcoidosis, where part of a spleen from a patient with known sarcoidosis is injected into the skin of a patient suspected to have the disease. if non caseating granulomas are found (4–6 weeks later), the test is positive. if the patient has been on treatment (e.g. glucocorticoids), the test may be false negative. the test is not commonly performed, and in the uk no substrate has been available since 1996. there is a concern that certain infections, such as bovine spongiform encephalopathy, could be transferred through a kveim test.