translumbar

adjective
trans·​lum·​bar | \ ˌtran(t)s-ˈləm-bər, ˌtranz-, -ˈləm-ˌbär How to pronounce translumbar (audio) \

Medical Definition of translumbar

: passing through or performed by way of the lumbar region specifically : involving the injection of a radiopaque medium through the lumbar region translumbar aortography