A high-stakes test is any test used to make important decisions about students, educators, schools, or districts, most commonly for the purpose of accountability—i.e., the attempt by federal, state, or local government agencies and school administrators to ensure that students are enrolled in effective schools and being taught by effective teachers.
However, I probably should have been more clear when I talked about getting results from "the lab." I meant the lab that drew the bloodwork. For example, all my bloodwork is drawn and sent out (or tested in house, depending on what the test is) by my local hospital's outpatient lab. When they get test results back, they forward them to my doctor. (T3RU) This is a test that confuses doctors, nurses, and patients. First, this is not a thyroid test, but a test on the proteins that carry thyroid around in your blood stream. Not only that, a high test number may indicate a low level of the protein! The method of reporting varies from lab to lab.