Can you bill 99211 Nurse Visit for a blood pressure check only?

Yes, you can bill 99211 for a blood pressure check only. CPT code 99211 can be billed for a nurse visit for a level 1 office or other outpatient visit established patient. CPT code 99211 descriptors are:

Office or other outpatient visit for the evaluation and management of an established patient, that may not require the presence of a physician. Typically, 10 minutes are spent face-to-face with the patient and/or family. Medical decision making is of low complexity. Counseling and/or coordination of care dominate the visit.

Therefore, if the nurse visit includes the elements included in CPT code 99211, it can be billed for the blood pressure check.