Usually not. Your doctor will usually be able to diagnose nonspecific low back pain from the description of the pain and by examining you. Therefore, in most cases, no tests are needed. There is no test that can prove or confirm nonspecific low back pain. In fact, some doctors argue that tests can actually do more harm than good when the diagnosis is nonspecific low back pain. For example, the technical jargon used to report on some scans can sometimes sound alarming, when in fact the scan is just showing what would be normal for a given age and not a cause for pain.