The majority of seats on most of these airlines can be reserved at. no charge, either during booking or check-in. Booking a pre-assigned premium. seat (including exit rows and window and aisle seats near the front of the. aircraft) will incur a surcharge. Elite frequent-flyer members are usually. exempt.
Answer by Deb Answers. Confidence votes 84.9K. Amorphous Urates indicates uric acid crystals in the urine. Higher than acceptable levels of uric acid crystals in urine can be caused by gout, Lesch-Nyhan syndrome, cardiovascular disease, diabetes, uric acid stone, urolithiasis, and metabolic syndrome.
When crystals are found in the urine it is an indication or a symptom that something is wrong in the urinary system. The urinary system is made up of the kidney, bladder, ureters and urethra. Modification in the diet as well as urine concentration can be a cause of the crystals but there are other causes also.