Reading an API 20E strip. The strip results are read by referring to the reading table provided by the manufacturer. The results in the form of positive and negative for each separate reaction are recorded on the result sheet provided by the manufacturer. There is a place for the oxidase test to be recorded. On the result sheet, the tests are grouped into sets of three. Each of those tests has an assigned value, 1, 2 or 4. The values 1, 2 or 4 correspond only to positive reactions while negative reactions score zero. All the numbers for the positive reaction are scored for each tried of tests and the seven digit profile number should be obtained. 2, 2, 1, 6, 0, 4, 2. The final seven digit profile number may be used to identify the unknown microorganism. This may be performed by using the online database available on the API website. On the website, an electronic version of the result sheet is visible. The seven digit profile number 2, 2, 1, 6, 0, 4, 2 is typed in the appropriate circles. The confirm button is pressed to search the database. All identification results appear on the website. The profile number 2, 2, 1, 6, 0, 4, 2 identified the unknown bacteria, a pseudomonas originosa, with 98.2% discrimination, examples, salmonella species, poison mole. you