In medicine, a "do not resuscitate" or "DNR", sometimes called a "No Code", is a legal order written either in the hospital or on a legal form to respect the wishes of a patient to not undergo CPR or advanced cardiac life support (ACLS) if their heart were to stop or they were to stop breathing. The term "code" is commonly used by medical professionals as a slang term for "calling in a Code Blue" to alert a hospital's resuscitation team. The DNR request is usually made by the patient or health care power of attorney and allows the medical teams taking care of them to respect their wishes. In the health care community "allow natural death" or "AND" is a term that is quickly gaining favor as it focuses on what is being done, not what is being avoided. Some criticize the term "do not resuscitate" because it sounds as if something important is being withheld, while research shows that only about 5% of patients who require ACLS outside the hospital and only 15% of patients who require ACLS while in the hospital survive. Patients who are elderly, are living in nursing homes, have multiple medical problems, or who have advanced cancer are much less likely to survive.
A DNR does not affect any treatment other than that which would require intubation or CPR. Patients who are DNR can continue to get chemotherapy, antibiotics, dialysis, or any other appropriate treatments.