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.
Urine Crystals. Urine crystals are a type of urine sediment. Several different types of urine crystals can be seen in normal testing samples. Abnormal findings in urine which show up as urine crystals are ketones, protein, bacteria, blood (hematuria), glucose, pus, and certain crystals.