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.
What it could mean when amorphous sediment is found in urine is  that the temperature of the urine may have been out of range at the  time of the test. It could also mean th â¦ at the patient was  dehydrated while the test was done. 3 people found this useful.
Amorphous Urates. Amorphous urates are crystals that form in acidic urine. These crystals are composed of the elements sodium, potassium, magnesium and calcium. They appear yellow or yellow-brown.he appearance and acidity of the urine sample in question can point to specific types of amorphous crystals. However, occasionally amorphous crystals are misidentified as bacteria. Crystals are found in healthy patients' urine, but they may indicate liver impairment or live disease.