Advance Directives & Living Wills: What They Do and Why You Need Both

An advance directive is the legal instrument that lets you specify what medical treatment you want — or refuse — when you can no longer speak for yourself. The two core components, the living will and the healthcare power of attorney, are usually combined into a single document called an "advance health care directive" or "advance directive." Roughly one in three American adults has signed one, according to the Kaiser Family Foundation — meaning the majority walk into hospitals with no documented end-of-life preferences. The cost of that gap shows up in intensive care units, where families agonize over whether to continue aggressive treatment, and in courtrooms, where judges occasionally intervene in cases like Schiavo v. Schiavo. This guide covers what each document does, why you need both, the POLST/MOLST framework, HIPAA authorization, state-by-state variations, and how to start the conversation with family.

What an advance directive actually is (and isn't)

An advance directive is a written statement of your healthcare preferences that takes effect when you lose the capacity to make or communicate decisions yourself. The federal framework was established by the Patient Self-Determination Act of 1990 (42 U.S.C. § 1395cc(f)), which requires hospitals, nursing homes, home health agencies, and HMOs that receive Medicare or Medicaid funding to ask patients on admission whether they have an advance directive, to provide information about state law on advance directives, and to honor any directive that complies with state law — or transfer the patient to a facility that will.

The legal foundations are state, not federal. The first living will statute was Florida's in 1968, following the advocacy of Luis Kutner and the Euthanasia Society of America. By the late 1980s, every state had some form of living will or advance directive statute. The Cruzan v. Director, Missouri Department of Health decision in 1990 (497 U.S. 261) established that competent individuals have a constitutionally protected liberty interest in refusing unwanted medical treatment — and that states may require clear and convincing evidence of an incompetent person's wishes before allowing withdrawal of life-sustaining treatment. Cruzan is the reason written advance directives matter: they create the evidentiary record that state law demands.

What an advance directive is not: it is not a "do not resuscitate" order by itself. A DNR is a physician's order, written by a doctor and entered into the medical record. An advance directive is a patient instruction. The distinction matters and is explored below in the POLST section.

Living will: end-of-life medical instructions

The living will (also called a "directive to physicians," "declaration," or "healthcare instruction") specifies the medical treatment you want or do not want if you develop a terminal condition or become permanently unconscious. It typically addresses three specific interventions:

• CPR / cardiopulmonary resuscitation — whether you want resuscitation attempted if your heart stops.
• Mechanical ventilation — whether you want to be placed on a ventilator if you cannot breathe on your own.
• Artificial nutrition and hydration — whether you want feeding tubes and IV fluids if you cannot eat or drink.

Most state living will forms also address dialysis, antibiotics for infections, comfort measures, and organ donation. The document typically takes effect only when two physicians certify that you are in a terminal condition (expected to die within six months regardless of treatment) or are in a persistent vegetative state.

The practical power of a living will is that it shifts the decision-making burden from your family to your documented wishes. Without one, families faced with a relative on a ventilator often default to "do everything," because they fear the guilt of giving up. The result, documented in dozens of studies, is that Americans spend disproportionate time in intensive care in the final weeks of life, often receiving aggressive treatment that the patient, if asked in advance, would have refused. A clearly written living will lets the family say "this is what Mom wanted" — a far easier emotional position than "we decided to stop."

The most common living will regret is not the choice the patient made — it is that the family had to make the choice at all. A signed living will converts a contested moral decision into the simple execution of documented wishes.

Healthcare POA: designating your decision-maker

The healthcare power of attorney (called a "healthcare proxy" in New York and Massachusetts, a "healthcare surrogate" in Florida, a "patient advocate designation" in Michigan, or a "medical power of attorney" in Texas and many western states) appoints someone — your "agent" or "proxy" — to make healthcare decisions for you when you cannot make them yourself. Unlike the living will, which addresses a narrow set of end-of-life interventions, the healthcare POA covers the full range of medical decisions: surgery, medication, hospital transfers, long-term care placement, and access to medical records.

The healthcare POA is more flexible than a living will because it anticipates situations the living will cannot. A living will says "no ventilator if terminal." A healthcare POA lets your agent say "she would want the ventilator for two weeks to see if the pneumonia clears, but not if it becomes permanent" — a level of nuance no pre-written form can capture.

Key choices in selecting a healthcare agent:

• Geographic proximity. An agent who lives across the country may not be able to be at the bedside quickly when decisions must be made.
• Emotional steadiness. The agent will be making decisions under stress, often while grieving. Someone who freezes in crisis or who cannot tolerate conflict with other family members is a poor choice, however much you love them.
• Willingness to honor your wishes even when they conflict with the agent's own preferences. Many people name a spouse, only to discover later that the spouse cannot bring themselves to authorize withdrawal of treatment the patient explicitly refused.
• Age and health. Naming a parent or older sibling as agent raises the question of whether they will outlive you. Always name successor agents.

Most state forms permit naming one primary agent and one or more successor agents. Co-agents are usually permitted but discouraged — disagreement between co-agents in a hospital hallway is a common operational failure.

Why you need both, not one or the other

Patients and families routinely ask whether they need a living will if they have named a healthcare agent — or vice versa. The answer is that the two documents solve different problems, and a complete advance directive combines both.

A living will is your voice from the past, speaking to specific interventions in specific circumstances. Its strength is clarity: it documents your wishes, relieving your family of the burden of guessing. Its weakness is rigidity. A living will drafted at age 50 may not anticipate the situation you face at 80 — a slow decline with multiple chronic conditions rather than a single catastrophic event. The interventions you refused in 2010 may not be the right ones to refuse in 2030.

A healthcare POA is your voice in the present, spoken by someone you trust. Its strength is adaptability: the agent can respond to circumstances as they develop, weighing trade-offs that no pre-written form could anticipate. Its weakness is that the agent's decisions may not match what you would have wanted, especially if you never had the conversation.

The two together create a complete framework: the living will documents your baseline preferences (and provides legal authority for refusing life-sustaining treatment in states where the agent alone might not have that authority), while the healthcare POA provides the flexibility to adapt to circumstances. The agent is generally bound to follow the living will's specific instructions, but has discretion on everything the living will does not address.

The American Bar Association's Commission on Law and Aging publishes a toolkit for healthcare decision-making that walks through these choices in more detail.

POLST and MOLST: physician orders, not advance directives

The Physician Orders for Life-Sustaining Treatment (POLST) paradigm — called MOLST (Medical Orders for Life-Sustaining Treatment) in New York, Massachusetts, and several other states, POST (Physician Orders for Scope of Treatment) in West Virginia and Indiana, and CAPA (Colorado Advanced Directives) in Colorado — is fundamentally different from an advance directive. A POLST form is a set of medical orders, signed by both the patient (or their surrogate) and a physician, nurse practitioner, or physician assistant. It travels with the patient across care settings: hospital, nursing home, ambulance, hospice.

The critical distinction: an advance directive is a patient instruction that guides future decisions. A POLST is a physician order that is acted on immediately. If a patient with a POLST specifying "no CPR" collapses at home, the responding paramedics honor the POLST and do not attempt resuscitation. If the same patient has only an advance directive, the paramedics will almost always attempt CPR — because advance directives are not medical orders and emergency responders are trained to intervene in the absence of a valid DNR or POLST.

POLST is designed for people with serious illness or frailty — typically those a physician would not be surprised to see die within the next year. It is not for healthy adults. The National POLST Collaborative maintains state-by-state information on POLST availability and form variations. As of 2024, every state has some form of POLST program, though the names, forms, and statutory recognition vary.

Practical guidance: adults with serious illness should have both an advance directive (for the broader range of decisions) and a POLST (for the specific emergency interventions). Healthy adults need only the advance directive. The two are complementary, not redundant.

Five Wishes: the popular alternative format

Five Wishes is a nationally distributed advance directive created in 1996 by Aging with Dignity, a nonprofit founded by Jim Towey. It meets the legal requirements for an advance directive in 42 states and the District of Columbia (in the remaining 8, it is treated as evidence of the patient's wishes). The form organizes the directive around five questions:

1. The person I want to make care decisions for me when I can't.
2. The kind of medical treatment I want or don't want.
3. How comfortable I want to be.
4. How I want people to treat me.
5. What I want my loved ones to know.

The format's appeal is that it integrates the legal document (questions 1 and 2) with personal, emotional, and spiritual guidance (questions 3, 4, and 5). It asks the principal to specify whether they want pain relief even if it shortens life, whether they want to die at home if possible, whether they want music playing, whether they want certain people present, what messages they want left for family. These elements are not enforceable as legal instructions in the way the medical-treatment choices are, but they provide invaluable context for the agent and the family.

The Five Wishes form is available for $5 (free in some states through sponsors). It is a reasonable choice for adults who find state statutory forms intimidating and want a more human-centered format. The trade-off is that Five Wishes is a one-size-fits-all document and may not address every state's specific execution requirements — though the form is updated regularly to track state law, and Aging with Dignity maintains a list of states where the form is statutorily compliant.

HIPAA authorization: the missing piece

The Health Insurance Portability and Accountability Act of 1996 (HIPAA, 42 U.S.C. § 1320d; implementing regulations at 45 C.F.R. §§ 160–164) restricts the disclosure of protected health information without the patient's written authorization. A healthcare POA typically grants the agent access to medical records necessary for decision-making — but the HIPAA authorization should be explicit, not implied, because HIPAA is a federal statute that preempts state law where it is more stringent.

The problem: a healthcare agent named in a state law advance directive may not have the explicit HIPAA authorization that hospital record-keeping systems require. Many hospitals interpret HIPAA conservatively and refuse to release records to an agent without a separate signed HIPAA release form. The agent then cannot review the medical history needed to make an informed decision.

The fix is straightforward. Every advance directive should include an explicit HIPAA authorization that names the agent (and successor agents) as authorized recipients of protected health information, without time limit, for the purpose of making healthcare decisions on the principal's behalf. Most modern state statutory forms include this language, but older forms may not. A standalone HIPAA authorization form, available from any doctor's office or hospital, also works as a separate document.

State-by-state forms and reciprocity

Each state publishes its own statutory advance directive form, and most states' forms combine the living will and healthcare POA into a single document. The forms are typically available free from the state attorney general, the state department of health, or the state bar association. Execution requirements — witnesses, notarization, signature formalities — vary by state.

Reciprocity: an advance directive validly executed in one state is generally honored in another, particularly if it meets the second state's execution requirements. The Patient Self-Determination Act requires healthcare providers to honor advance directives that comply with state law — but in practice, hospitals may be more cautious with out-of-state forms, especially if they do not match local expectations. For people who split time between states (snowbirds, frequent travelers), executing parallel directives in both states is a sensible precaution.

Massachusetts is unusual in that it does not statutorily recognize a "living will" — only the healthcare proxy is statutorily recognized. A signed living will is treated as evidence of the patient's wishes and is generally honored, but it does not have the same legal force as in other states.

Worked example: a stroke patient with and without directives

Consider a 72-year-old woman admitted to a hospital ICU after a massive stroke. She is unconscious, on a ventilator, receiving artificial nutrition through a feeding tube. The prognosis is uncertain — she may recover partial function, or she may remain in a persistent vegetative state. Two scenarios:

Scenario A — no advance directive. The patient has no living will and has never named a healthcare agent. Under most state default surrogate statutes, her husband has authority to make decisions. But he is grieving and ambivalent, and their three adult children disagree: one wants to continue aggressive treatment, one wants to withdraw the ventilator, and one wants a feeding tube placed. The hospital's ethics committee convenes. The husband eventually petitions the probate court for guardianship. The court appoints a guardian ad litem. The case takes four months and $18,000 in legal fees. The patient dies on the ventilator before the court rules — having received treatment she likely would have refused.

Scenario B — advance directive in place. The patient signed an advance directive five years earlier naming her husband as healthcare agent, with her oldest child as successor. The directive includes a living will specifying that she does not want mechanical ventilation or artificial nutrition if she is in a persistent vegetative state, confirmed by two physicians. It includes a HIPAA authorization naming her husband and all three children as authorized recipients of medical information.

The hospital's palliative care team reviews the directive with the husband. After the attending physician and a neurologist confirm the prognosis (persistent vegetative state, consistent with the directive's trigger), the husband authorizes withdrawal of the ventilator and feeding tube. The decision is documented in the medical record. The patient's other two children are informed — they may not agree emotionally, but they cannot contest the documented wishes and the agent's authority. Comfort care is initiated. The patient dies peacefully within two weeks, surrounded by family. Total legal cost: $0.

The difference between the two scenarios is not the underlying medical event. It is the existence of a one-page document, signed five years earlier, that converted an unresolvable family conflict into a routine execution of documented wishes.

Conversation starters with family

The hardest part of advance care planning is not signing the document — it is having the conversation that informs what the document says. Studies from the Conversation Project and the Kaiser Family Foundation show that 92% of Americans say it is important to talk about end-of-life wishes, but only 32% have actually done so. The gap is not a lack of willingness; it is a lack of starting points.

Useful opening questions, drawn from the Conversation Project starter guide:

• "If you couldn't make decisions for yourself, who would you want to make them?" — start with the agent, not the medical specifics.
• "What does 'living well' mean to you?" — what activities and relationships matter enough that life would still be worth living if you could not do them?
• "What would be unacceptable to you?" — being on a ventilator long-term, being in pain, being unable to recognize family, being a burden.
• "Have you ever watched someone die? What was good about it? What was hard?" — personal experience anchors the abstract.
• "If you were dying, where would you want to be?" — home, hospital, hospice facility.

The conversation is harder with parents than with spouses, and harder with adult children than with siblings. Cultural and religious considerations matter: in many traditions, the eldest son is the expected decision-maker, regardless of geographic distance or emotional suitability.

Once the conversation has happened, the document becomes almost an afterthought. State statutory forms are designed to be filled out without an attorney. The Conversation Project's starter guide is free and takes about 30 minutes to work through. The total investment is one evening — and the payoff is years of clarity for everyone involved.

When to update your directive

An advance directive is not a one-time document. Circumstances change, preferences evolve, and the people you named may no longer be the right choices. Recommended review triggers:

• Every 5–10 years as a baseline. Medical technology and your health status both change.
• Major health events — a new diagnosis, hospitalization, or surgery. After a heart attack or cancer diagnosis, your preferences may shift in ways that are hard to predict in advance.
• Marriage, divorce, or death of a spouse — the agent named before the marriage may no longer be the right choice; the spouse named in the directive may no longer be available or appropriate.
• Death or incapacity of the named agent — if your primary agent dies, you need a new primary (typically by promoting the successor and naming a new successor).
• Move to a new state — execution requirements differ; a new state-specific form is safer.
• Significant change in family dynamics — a falling-out with the named agent, a child's recovery from addiction, a sibling's relocation.

When you update, revoke the prior directive explicitly in writing and destroy all copies. Provide the new directive to your primary care physician, your hospital, your agent, your successor agents, and any family members who should have it. Do not assume the hospital has your directive on file because you signed one years ago; bring a copy to every significant medical encounter. The most reliable storage is multiple paper copies distributed to the people who will need them — the agent, the primary care physician, the hospital, and a copy in the wallet or glove compartment for emergencies.

Takeaways

An advance directive is the legal instrument that lets you specify your healthcare preferences when you cannot speak for yourself. The two components — a living will (specifying end-of-life treatment preferences) and a healthcare power of attorney (naming your decision-maker) — should be combined into a single comprehensive document, paired with an explicit HIPAA authorization. Adults with serious illness should also have a POLST/MOLST form, which is a physician order that emergency responders will honor. State-specific statutory forms are free, valid without an attorney, and recognized under the Patient Self-Determination Act in every state. The hardest part is not signing the document; it is having the conversation that informs what the document says. The cost of getting this right is one evening of conversation; the cost of getting it wrong is a family conflict in an ICU and care that may not match your wishes.