Not necessarily. A test result outside the reference range signals to further investigate, but it may or may not indicate a specific problem. It is possible that your result is within that 5% of healthy people who fall outside the statistical reference range. In addition, there are many things that could affect a test without indicating a major problem, such as not preparing for the test properly. Most likely, your provider will want to repeat the test. Some abnormal results may resolve on their own, especially if they are on the border of the reference range. Key points you and your provider should consider include how far outside of the reference range the results are and whether repeated tests also produce abnormal results.