postrenal

Adjective

Meaning

Situated behind the kidneys.

Occurring in the urinary tract.

Source: en.wiktionary.org

Postrenal azotemia and hydronephrosis can be observed following the obstruction of urine flow through one or both ureters. Source: Internet

Postrenal azotemia Blockage of urine flow in an area below the kidneys results in postrenal azotemia. Source: Internet