Patients with renal insufficiency are usually non-oliguric and as in most cases of renal failure, oliguria portends a worse prognosis. Urinalysis typically shows coarse granular casts, renal tubular epithelial cells and amorphous sediment. Proteinuria may be low grade. Urate or calcium oxalate crystals may be seen. May have low grade proteinuria.
Hematuria is absent.
Urate and calcium oxalate crystals may be present.