Effect of Renal Impairment on the Pharmacokinetics of NN9535

Inclusion Criteria: * Informed consent obtained before any trial-related activities. (Trial-related activities are any procedure that would not have been performed during normal management of the subject) * Subjects meeting the pre-defined GFR (glomerular filtration rate) criteria (estimated by the Cockcroft \& Gault formula) for any of the renal function groups * Body Mass Index (BMI) equal to or less than 40kg/m2 Exclusion Criteria: * Known or suspected allergy to trial product(s) or related products * Renal transplanted patients * Certain cardiac problems (heart failure, unstable angina, MI (myocardial infarction) within the last 3 months) * Known current hepatic dysfunction or severe hepatic disease during the last 12 months * Female of childbearing potential/breast feeding * History of alcoholism or drug abuse * Blood donation during the last 8 weeks prior to the study * Past or current history of pancreatitis