The findings of cells, casts or crystals can aid in urinalysis ... the concentrating ability of the kidneys. Urine pH is normally slightly acidic (5.5–6.5). Bilirubin is not normally present ...

Stones caused by uric acid account for about 5-10% of all kidney ... of crystal deposits. These crystals are formed due to several reasons, including low urine pH, dehydration, and a diet high ...