A do-not-resuscitate order, or DNR, is a medical order that tells healthcare providers not to perform CPR if your heart stops beating or you stop breathing. It doesn’t affect any other medical treatment you receive. A DNR only applies to that single, specific scenario: cardiac or respiratory arrest.
What a DNR Actually Prevents
CPR involves more than chest compressions. When someone’s heart stops or they stop breathing, the full resuscitation effort can include mouth-to-mouth breathing, chest compressions, electric shocks to restart the heart, breathing tubes inserted into the airway, and emergency medications. A DNR order instructs medical staff to withhold all of these interventions.
This is a narrower instruction than many people realize. A DNR does not mean “do not treat.” If you have a DNR and develop pneumonia, you still receive antibiotics. If you break a bone, you still get pain medication and treatment. If you need surgery for something unrelated to end-of-life care, that can still happen. The order only activates at the moment your heart or breathing stops.
Why People Choose a DNR
CPR success rates are lower than most people expect. According to American Heart Association data from 2021, only about 9% of adults who receive CPR from emergency medical services outside a hospital survive to be discharged. In-hospital rates are higher but still far from guaranteed.
Even when CPR succeeds, the aftermath can be difficult. Research on patients successfully resuscitated from cardiac arrest shows that problems with memory, attention, and executive function are common, even among those who appear globally intact afterward. In one study, roughly two-thirds of resuscitated patients had what clinicians categorized as a “good” neurological outcome, but deeper cognitive testing revealed significant limitations in memory and thinking skills across the board. The majority of patients in the study were initially comatose after resuscitation.
For someone with a serious or terminal illness, these odds and risks may not align with their goals. A DNR lets them avoid an aggressive intervention that, in their specific medical context, is unlikely to restore meaningful quality of life.
How a DNR Gets Created
A DNR is a medical order, not something you write yourself. A physician (or in some states, a nurse practitioner or physician assistant) writes the order after a conversation about your wishes. Both the doctor and the patient typically sign it. If you’re unable to make decisions for yourself, an authorized surrogate, such as a healthcare proxy, legal guardian, or family member designated under state law, can consent to the order on your behalf.
In a hospital or nursing home, the DNR goes into your medical chart and staff are made aware. The process is straightforward because providers already have access to your records.
How It Works Outside a Hospital
Making a DNR work at home or in public is more complicated. If paramedics arrive and don’t know about your DNR, their default protocol is to start CPR immediately. They don’t have time to search through paperwork or make phone calls.
That’s why out-of-hospital DNR orders come with specific identification tools. The details vary by state, but the general approach is the same: you need something visible and immediately recognizable. In Florida, for example, the official DNR form must be printed on yellow paper to be legally valid for EMS personnel. Many states provide options like a wallet-sized card you carry next to your photo ID, a bracelet or necklace, or a form posted on your refrigerator where paramedics know to look. Some people laminate a reduced-size copy and clip it to a keychain or pin it to their clothing or bedding.
The key principle is accessibility. A DNR locked in a filing cabinet or saved on your computer won’t help in an emergency. Keep copies where they’ll be found: on the fridge, in your wallet, with a family member or friend who might be present, and with your primary care provider.
DNR vs. POLST and MOLST Forms
A standard DNR covers one thing: whether to perform CPR. But end-of-life care involves many other decisions. That’s where POLST (Physician Orders for Life-Sustaining Treatment) and MOLST (Medical Orders for Life-Sustaining Treatment) forms come in. The name varies by state, but the concept is the same.
A POLST or MOLST is a broader medical order form that can include a DNR but also covers other preferences: whether you want to be intubated, whether you want to be transferred to a hospital, what level of medical intervention you’re comfortable with, and your wishes around comfort-focused care. These forms travel with you across healthcare settings. Hospitals, nursing homes, hospice programs, and EMS personnel are all required to follow them.
Traditional advance directives like a living will or healthcare proxy are different in an important way. They only take effect when you’ve lost the ability to make your own decisions. A POLST or MOLST applies as soon as you and your doctor sign it, regardless of your mental state. It also contains specific, actionable medical orders rather than the general instructions found in most living wills, which can be difficult for emergency responders to interpret in the moment.
Comfort Care and What You Still Receive
A DNR is sometimes paired with comfort care orders, sometimes called “Allow Natural Death” or AND orders. These direct providers to focus on preventing suffering rather than extending life. That can include pain medication, oxygen for comfort, repositioning, keeping skin and mouth moist, and emotional support.
Comfort care orders let you specify what matters to you in those final hours or days. Some people want IV fluids; others don’t. Some want to remain as alert as possible; others prioritize being pain-free even if that means more sedation. These preferences are separate from the DNR itself, but the two often go together as part of a larger care plan.
Changing or Revoking a DNR
A DNR is not permanent. You can revoke it at any time by telling your doctor, destroying the form, or simply stating out loud that you want to be resuscitated. In most states, a verbal revocation is enough. If your medical situation changes, or you simply change your mind, the order can be updated or removed from your chart. No one needs to approve your decision to cancel it.
This flexibility is important because medical circumstances evolve. Someone who chose a DNR during a severe illness might revoke it if their condition improves. The order reflects your current wishes, and you retain the right to change those wishes as long as you have the capacity to do so.