It’s one thing to make a tough health care decision for yourself. It’s another to make it for someone you love, who can’t speak or decide for themselves. Emotions, urgency, and opinions crash into the silence left by someone else’s incapacity. However, the law in Florida has a clear answer: don’t decide what you think is best. Decide what they would have wanted.
What Is Substituted Judgment?
Substituted judgment means stepping into someone else’s shoes, then using their compass. Florida law expects that if you’re making health care decisions for another adult, whether you’re their appointed surrogate, agent under a durable power of attorney, or a proxy chosen by a hospital, your job is to channel their voice, not yours.
You use their past words, values, habits, religious beliefs, family priorities, and even throwaway comments they made over lunch five years ago. The goal is to reconstruct what they would choose if they could.
What Florida Law Says About It
Florida Statutes make substituted judgment the starting point. A health care surrogate must act “in accordance with the principal’s instructions and wishes” as known. If those wishes aren’t known, the surrogate has to try to figure them out before defaulting to what seems objectively best.
In practice, this means you don’t start with the “best interest” standard, you arrive there only if every other clue is missing. Courts and hospitals expect an effort to reconstruct the person’s values, not just protect their health.
Who Has to Use It?
Anyone making health care decisions for someone else in Florida is expected to apply substituted judgment. That includes:
- A health care surrogate named in an advance directive
- An agent named under a health care power of attorney
- A proxy appointed under the statute when no formal document exists
The label doesn’t matter, what matters is the standard. Whether your authority came from paperwork or a hospital form, the requirement is the same: don’t insert your own beliefs.
What Happens When There’s No Trail to Follow
If the person never talked about their wishes, values, or preferences (and you can’t reasonably reconstruct them), then and only then do you move to what’s objectively in their best interest.
This fallback comes with a qualifier: you must have tried to use substituted judgment first. That includes talking to family, reviewing old text messages, or even reflecting on what shows they liked. It’s not a formality; it’s a process. Florida law expects a good-faith effort, not a shrug and a switch to plan B.
Why It Matters for Families
This standard keeps decision-making anchored in the person’s identity, not in whoever happens to have legal authority. It keeps decisions from becoming popularity contests, arguments over ethics, or worse, courtroom battles between relatives who all believe they’re right.
It also reinforces the quiet power of planning ahead. Advance directives don’t just give you a surrogate, they give your surrogate something to go on.
Take the Next Step
If you’re making health care decisions for someone else, substituted judgment is a legal responsibility. If no one’s made those decisions for you yet, this is your sign to start.
The attorneys at Zamora Hillman & Villavicencio Attorneys at Law help Florida families put the right documents in place and make sure everyone knows how to use them when it counts. Call (305) 285-0285 to schedule a consultation.
Zamora, Hillman & Villavicencio
