An example of these patterns is illustrated in Figure 2 over the page. Further elucidation of the specificity of the antibody is done by ENA and dsDNA testing. These are useful in confirming the significance of a positive ANA and will help to lead to a diagnosis of the type of autoimmune disease. Extractable Nuclear Antigens (ENAs) Detecting antibodies to ENAs involves testing patientâs serum for antibodies against various specific components of the cell nucleus.
Expert: Dr.tiwari replied 5 years ago. A frozen urine sample can be kept for testing for upto the 7-10 days without loosing the integrity of the sample.If it is then taken up to the body temperature naturally then drug testing can be done on that.Hope this will help you.ello, Yes,Urine samples can be frozen to be tested later on-. http://www.clinchem.org/cgi/content/full/53/1/153. Hope this will help you. Ask Your Own Medical Question. Customer: replied 5 years ago.
NOTE: Most laboratory pick-ups of blood samples are kept in a refrigerated state as they are being transported to their laboratory of destination. Once the serum sample reaches the laboratory, it must remain cool until it is processed in that cooled state. The sample cannot sit at room temperature while waiting for other serum samples to reach the laboratory so they can all be processed at one time in a batch. If the sample is stored in a cooled state, the rubber stopper should not be removed while storing the sample because without the stopper being left in place, even in a cooled place, evaporation can occur, causing invalid blood serum test results.