A client is admitted with acute decompensated heart failure….
A client is admitted with acute decompensated heart failure. On admission, the B-type natriuretic peptide level is significantly elevated. An intravenous infusion of nesiritide is initiated. Overnight, the client reports improved breathing, decreased anxiety, and increased urine output. The following morning, the nurse reviews new orders and notes an order to obtain a repeat BNP level. Which action should the nurse take before obtaining the laboratory specimen?