====In low renal function====
[[File:On the origin and progress of renal surgery, with special reference to stone in the kidney and ureter and to the surgical treatment of calculous anuria. Together with a critical examination of (14783803013).jpg|thumb|180px|right|[[CT with IV contrast in low renal function]]]]
{{Main|CT with IV contrast in low renal function}}
Decreased renal function and several other conditions increase the risk of '''contrast-induced nephropathy''', which is a potentially lethal renal injury to the kidney following intravenous radiocontrast.<ref name="RudnickFeldman2008">{{cite journal|last1=Rudnick|first1=M.|last2=Feldman|first2=H.|title=Contrast-Induced Nephropathy: What Are the True Clinical Consequences?|journal=Clinical Journal of the American Society of Nephrology|volume=3|issue=1|year=2008|pages=263–272|issn=1555-9041|doi=10.2215/CJN.03690907}}</ref>