Profile: Span Diagnostics Limited develops and manufactures ready-made diagnostic reagents needed by clinical pathology laboratories. Blood transfusion service is one of the important branches of medical laboratory science. It includes blood grouping & typing antisera, coagulation tests, G-6PD, RBC & WBC diluting fluids and haematology stains. Coagulation studies play a major role in monitoring anticoagulant therapy in addition to the diagnosis of coagulopathy disease. Infectious disease can be diagnosed by serological tests, which include rapid tests as well as elisa test. We offer crystal VC, an immunochromatographic test for qualitative detection of V. cholerae O1 and O139 in stool. It is a rapid, visual qualitative immunoassay with inbuilt control line. All the components & accessories required to perform this test are included in the kit.