A client is receiving heparin IV at a rate of 1,800 units/hour. The IV solution is labeled, "Heparin sodium 20.000 units in 5% dextrose Injection 500 ml." After receiving the partial thromboplastin time (PTT) result, the healthcare provider prescribes an increase of 5 ml/hour. In the IV rate. The nurse should set the infusion pump to deliver how many ml/hour? (Enter numeric value only.)