Color and transparency are determined from visual observation of the sample. Normal urine is straw yellow to amber in color. Abnormal colors include bright yellow, brown, black (gray), red, and green. These pigments may result from medications, dietary sources, or diseases.
limulus amebocyte lysate test. limulus amebocyte lysate test. LAL test. A test used to detect minute quantities of bacterial endotoxins and to test for pyrogens in various materials; it is also used to detect septicemia due to gram-negative bacteria. Limulus amebocyte lysate is formed from the lysed circulating amebocytes of the horseshoe crab (Limulus polyphemus).
What information is provided by Tilt Test? How quickly will I get the results of the test? What is a Tilt Test? A Tilt Table Test or TTT is widely used in making the diagnosis of Neurally (pronounced new-rully) Mediated Syncope (pronounced syn-cup-ee) or NMS. Both of them are discussed below. What is Neurally Mediated Syncope (NMS) and why do these patients pass out?