If you cannot speak for yourself and have not signed a medical power of attorney, Arizona law fills in the gap. A.R.S. 36-3231 lists people who can step in to make choices for you. But this default system is rarely as smooth as picking someone yourself.
How Surrogate Decision Makers Are Chosen
Arizona law tells health care staff to contact people in this order when a patient cannot make health care choices:
- Your spouse (unless you are legally split up)
- Your adult children. If you have more than one adult child, most of those who can be reached must agree
- A parent
- Your domestic partner (if not married)
- A brother or sister
- A close friend who knows your wishes, will act in your best interest, and can be part of your care
The first person on the list who is ready and willing becomes your surrogate. They should follow your known wishes about medical treatment. But if you never shared what you wanted, they are guessing under pressure.
When Family Members Disagree
This system works fine in simple cases. One spouse. Clear wishes. No conflict. But families are not always simple.
Picture three siblings in a hospital hallway. They must agree on whether to keep up strong medical treatment for a parent. Two say yes. One says no. The majority wins under the law, but that does not make the talk any easier. A medical power of attorney avoids this by putting one trusted person in charge.
What Happens When No Surrogate Is Available
If no one on the list can be found, your doctor may make health care choices. They must first consult with an ethics board. If that is not an option, a second doctor must agree.
This keeps medical treatment moving forward. But it means people who have never met you could direct your care. That is not wrong, but it is rarely what anyone would pick.
Special Rules for Certain Decisions
Not every medical choice falls to a surrogate right away. A surrogate who is not your named agent usually cannot agree to place you in a mental health facility. There is a small exception for emergencies when someone is terminally ill or likely to suffer serious harm without fast help. Even then, a court petition must be filed within 48 hours.
End-of-life choices carry extra weight. If you are terminally ill or in a condition that cannot be reversed, surrogates can agree to stop life support. But only if they believe that is what you would have wanted. Without written wishes, this becomes a painful guessing game.
Why a Medical Power of Attorney Solves This
A medical power of attorney lets you skip the whole priority list. You name the one person you trust most. You give them clear guidance about what matters to you. And you make sure health care staff know who to call.
The paper should be either notarized or witnessed to be valid under Arizona law. It takes a short meeting to set up with help from partner attorneys. The result? Your family avoids delays, fights, and doubt during moments when they are already under huge stress.
The surrogate system is a safety net. It is not a plan. Having a plan means your voice guides your care, even when you cannot speak for yourself.