A do-not-resuscitate (DNR) order covers one thing: CPR. It tells medical providers not to perform cardiopulmonary resuscitation if your heart stops beating or you stop breathing. It does not affect any other medical treatment you receive, including pain management, medications, nutrition, or ongoing care for existing conditions.
What a DNR Specifically Prevents
A DNR order prevents the full chain of interventions that make up a resuscitation attempt. In a hospital, that includes chest compressions, electric shocks to restart the heart (defibrillation), and medications given during a cardiac arrest to try to restore a heartbeat. Outside the hospital, the list is similar but spelled out more explicitly for emergency responders: CPR, defibrillation, artificial ventilation, advanced airway management (such as inserting a breathing tube), and external cardiac pacing.
These are all interventions aimed at restarting a heart that has stopped or restoring breathing that has ceased. If neither of those emergencies is happening, a DNR order has no effect on your care.
What a DNR Does Not Cover
This is where most confusion happens. A DNR is not a refusal of all treatment. It has no instructions regarding pain medicine, other medications, IV fluids, antibiotics, surgery, or nutrition. If you break your hip, develop pneumonia, or need a blood transfusion, your DNR status does not prevent any of those treatments.
Even in hospice or end-of-life settings, providers continue to treat symptoms like pain and shortness of breath. Comfort care, sometimes called “Allow Natural Death” (AND), focuses on preventing suffering rather than prolonging life, but it still involves active medical care. A DNR simply means that if the dying process reaches the point where your heart stops, the medical team will not attempt to reverse it.
DNR vs. DNI
Some facilities offer a related but distinct order that specifically addresses intubation, the process of placing a breathing tube connected to a ventilator. A standard DNR order in many settings already excludes inserting an artificial airway and providing mechanical breathing support. But because intubation can come up in situations other than cardiac arrest (during surgery, for instance, or severe pneumonia), some patients choose a separate do-not-intubate order to cover those scenarios as well. If ventilator use is a concern for you, it’s worth clarifying whether your DNR order addresses it or whether a separate directive is needed.
DNR vs. POLST
A DNR is narrow by design. A POLST (Portable Orders for Life-Sustaining Treatment, called MOLST in some states) is a broader document that may include DNR language but goes further. It lets you specify which treatments you do want, not just which ones you don’t. A POLST can address scenarios beyond cardiac arrest: whether you want to be hospitalized, whether you want antibiotics for an infection, or whether you want a feeding tube.
Some state laws limit DNR orders to patients who are already in cardiac arrest or have stopped breathing, and only in out-of-hospital settings. A POLST covers a wider range of clinical situations and travels with you between care settings. For someone with a serious illness who wants detailed control over their care, a POLST is the more comprehensive tool. A DNR answers a single yes-or-no question.
How a DNR Works Outside the Hospital
A standard DNR written in a hospital chart only applies inside that facility. If paramedics arrive at your home and find you in cardiac arrest, they are trained to begin resuscitation immediately unless they see a valid out-of-hospital DNR order. Each state has its own rules for what counts as valid. In Texas, for example, emergency responders will honor a properly signed out-of-hospital DNR form, a specific plastic identification bracelet with the words “Do Not Resuscitate,” or a metal bracelet or necklace inscribed with “Texas Do Not Resuscitate – OOH.”
Without one of these recognized documents or identifiers physically present, first responders will generally perform CPR. The reasoning is straightforward: in a time-critical emergency, they need to see proof immediately rather than search for paperwork. If having a DNR honored outside a hospital matters to you, you need the portable version your state recognizes.
Who Can Create or Cancel a DNR
A DNR order requires a physician’s signature. Out-of-hospital versions typically require signatures from both the doctor and the patient. If you lack the capacity to make medical decisions, an authorized surrogate (a healthcare proxy, legal guardian, or family member designated under state law) can request a DNR on your behalf. In some states, a nurse practitioner or physician assistant can sign a POLST after discussing care planning with you or your surrogate.
You can cancel a DNR at any time. The process is simple: tell your medical team you want it revoked, and they update your orders. A surrogate who originally requested the DNR can also revoke it. There is no waiting period and no legal process beyond communicating the change to your providers. If you have a portable DNR bracelet or document, destroying it or removing it signals to emergency responders that the order is no longer in effect.
Why People Choose a DNR
CPR survival rates are lower than most people expect. For adults who have a cardiac arrest outside the hospital, about 9% survive to leave the hospital, according to American Heart Association data. For people with terminal illness, advanced age, or multiple serious conditions, survival rates after CPR are even lower, and those who do survive often face significant physical consequences, including broken ribs, brain injury from oxygen deprivation, or prolonged time on a ventilator in an ICU.
A DNR reflects a decision that, given those odds and potential outcomes, a natural death is preferable to an attempted resuscitation. It is not a decision to stop receiving medical care, and it does not mean a person is giving up on treatment for their underlying condition. It means that if the heart stops, the answer to one specific question has already been decided.