The patient has experienced an extravasation of norepinephrine in the right forearm. It is cool to the touch, firm, and pale. Distal to peripheral pulses are not well felt and the fingertips are dusky. Which order does the nurse clarify with the provider?

The nurse is caring for a 57-year-old woman who is intubated and sedated in the post-anesthesia care unit following a radical hysterectomy. The patient remained stable throughout the 6 hour surgery during which she experienced a 2 L blood loss. The nurse has emptied the patient’s indwelling catheter every hour for the 3 hours the patient has been in the PACU with the following volumes: 54 mL, 23 mL, 12 mL, and 5 mL. Her heart rate is 112 bpm, oxygen saturation is 99%, and blood pressure is 82/54mmHg. The patient received maintenance fluids during the procedure and no blood transfusions. How many liters of isotonic fluid does the nurse anticipate administering to the patient during the postoperative period? Enter your response using a whole number. 

The patient has been prescribed belatacept for transplant rejection. Which lab result is most important to evaluate prior to administration?