The Fecal Immunochemical Test (FIT) Positive and Negative Control solutions are meant to be used with the Rapid Response® FIT Tests. The kit is sufficient to perform approximately 10 tests per level (10 negative tests and 10 positive tests). Interpretation of test results are: positive (two lines), negative (one line), invalid (no lines or no Control line). The FIT controls are stable at room temperature for the duration of the expiration dating.
