Daly TM, Kempe KC, Scott MG
Bouncing creatinine levels
N Engl J Med
(Jun) 334:1749-1750 1996

In this paper, spuriously low creatinine levels were found in an ICU patient
when the samples were contaminated with dopamine or dobutamine from a central
line. Creatinine by an enzymatic method was affected, but not by a
colorimetric technique.
The original text of this letter is available from the NEJM by
clicking here.