Post-marketing Safety Study in Patients With Moderate Renal Insufficiency Who Receive Omniscan for Contrast-enhanced Magnetic Resonance Imaging (MRI)

Inclusion Criteria: * The subject has been referred for a clinically indicated MRI examination with a gadolinium-based contrast agent. * The subject has known or suspected chronic kidney disease with an eGFR greater than or equal to 30mL and \<60 mL/min/1.73 m2 as measured within 30 days prior to the planned index OMNISCAN administration. * The subject agrees to be contacted for follow-up for 24 months. Exclusion Criteria: * Patients with known or suspected NSF based on biopsy confirmation or the onset of signs and symptoms of NSF lasting at least 7 days as follows: 1. skin - swelling, hardening and tightening; reddened or darkened patches; burning or itching; 2. eyes - yellow raised spots on whites of eyes; or 3. bones and muscle - stiffness in joints; difficulty in moving or straightening of arms, hands, legs or feet; bone pain especially in hips and ribs or muscle weakness. * Patients allergic to any GBCA. * Patients with chronic renal disease with a GFR \<30 mL/min/1.73 m2 as measured within 30 days prior to the planned OMNISCAN administration. * Patients with acute renal insufficiency of any severity due to the hepato-renal syndrome or in the peri operative liver transplantation period.