differential ureteralcatheterization test differential u·re·ter·al·cath·e·ter·i·za·tion test (y&oobreve;-rē'tər-əl-kāth'ĭ-tər-ĭ-zā'shən)
n.
A test to determine various functional parameters of one kidney compared with the other kidney. Also called split renal-function test.