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.
The pH of the urine can be a guide as to the likely nature of the amorphous crystals (e.g. amorphous phosphates are more likely in alkaline urine in small animal patients). The main issue with amorphous crystals is that they mimic bacterial cocci (and even undergo brownian movement in urine).