There are many instances when a person should get a lab test done. For one, a person should get a lab test done if they think they might have an STD like chlamydia. Getting tested for an STD is important because if a person has an STD and the STD is left untreated, the STD can lead to serious complications like infertility, and the STD can be spread to other people. However, once a person knows they have an STD, they can take steps to prevent complications and prevent spreading the STD. If a person thinks they might be pregnant, then it may be a good idea to get a pregnancy test. The test can show whether the person is pregnant, and this can help the person decide what to do. Sometimes it’s necessary for a person to get their cholesterol level checked, so they can get a test for this. A person can also get a test for a kidney, cardiovascular, or liver problem, or even for cancer. In some cases, a person may need a drug test, like when a person is starting a new job. There are other instances when a person should get a lab test done. You can contact a clinic like Mercy Medical Clinic if you think you may need a test.