The HemoCue Hemoccult SENSA Single Slides 100 Tests per Box - 10 Box per Case is a rapid medical test designed to allow individuals to effectively determine gastrointestinal disease, such as colon cancer. It is also widely used to screen colorectal cancer worldwide.Hassle-free Use with Precise Results. Designed for non-invasive testing, the Hemoccult SENSA Slides is simple to use and can easily be prepared in the privacy of the patient's home. The Slides have been proven to give the highest clinical sensitivity readings at 92% for colorectal cancer. It remarkably aids in the detection of pre-cancerous adenomas and colorectal cancer. Please note that the SENSA Developer is not included but can be purchased separately.