extrarenal

From extra- +‎ renal.

extrarenal (not comparable)

1. (anatomy, medicine) Outside a kidney; outside but near or abutting a kidney.

   Antonym: intrarenal

   Hyponyms: perirenal; adrenal; suprarenal, infrarenal

2. (medicine, of filtration) Outside the kidneys, being accomplished otherwise.

   extrarenal filtration