Convenient and qualitative method for detecting fecal occult blood, which may be indicative of gastrointestinal disease such as colon cancer. Vivid blue reaction provides a high level of color stability and intensity, resulting in superior readability for greater accuracy and ease of interpretation. Recommended for professional use as a diagnostic aid during routine physical examinations, for hospital patients to monitor for bleeding in patients with iron deficiency anemia or recuperating from surgery, peptic ulcer, ulcerative colitis and other conditions. The Hemoccult II SENSA Dispensapak Plus is ideal for screening programs for colorectal cancer when the Patient Instructions are closely followed. Hemoccult II Slides feature cards of three tests designed to allow patients to collect three serial specimens at home