Adjective
Situated above the kidneys, or at the junction of the vena cava and the renal vein.
Occurring in the blood supply to the kidneys.
Source: en.wiktionary.orgA normal BUN:Cr is equal to 15. citation Prerenal azotemia Prerenal azotemia is caused by a decrease in blood flow ( hypoperfusion ) to the kidneys. Source: Internet
He died at Scripps Memorial Hospital of pneumonial peripheral vascular shock and prerenal uremia (according to the death certificate) in 1959. Source: Internet
Like in prerenal azotemia, there is no inherent renal disease. Source: Internet