The term for your oral and written instructions about your future medical care in the event you cannot speak for yourself. You don't need a lawyer to execute the paperwork, but both forms must be signed by two witnesses, one of whom cannot be a spouse, blood relative or heir. Your health care surrogate cannot be a witness.
Forms are available free or at low cost from several sources.
Put the originals in a secure, but accessible place, not the safe deposit box. Make several copies to give to family members, clergy, your doctor and surrogate. A document giving your medical care instructions to the doctor and family if you are too sick to make or express decisions. A living will in Florida becomes valid only when your doctor declares you in a terminal or end-stage illness or in a persistent vegetative state. It does not mean you won't receive any care, but it allows you to limit feeding tubes, respirators, intravenous therapy, use of antibiotics and resuscitation.