low osmolar contrast agent

low osmolar contrast agent (LOCA),

nonionic water-soluble radiographic contrast material. Synonym(s): low osmolar contrast medium, nonionic contrast agent

low os·mo·lar con·trast a·gent

(lō oz-mō'lăr kon'trast ā'jĕnt) Nonionic water-soluble radiographic contrast material.
Synonym(s): low osmolar contrast medium, nonionic contrast agent.