OMNIPAQUE Myelographic Packages, 240mgl/mL vial of 20 mL, X-Ray Injection. A low osmolar, nonionic, iodinated contrast agent. OMNIPAQUE has been used in more than 100 million patients worldwide. Its indications include a broad range of intravascular diagnostic procedures such as coronary angiography, spinal cord imaging, and body cavity procedures including shoulder and knee joints. Is approved for use in adults and children. Packaging: 10/Box.