Iowa Code
Chapter 144E - EXPERIMENTAL TREATMENTS FOR TERMINALLY ILL PERSONS
Section 144E.5 - Heirs not liable for treatment debts.

144E.5 Heirs not liable for treatment debts.
If a patient dies while being treated by an investigational drug, biological product, or device, the patient’s heirs are not liable for any outstanding debt related to the treatment or lack of insurance due to the treatment, unless otherwise required by law.
2017 Acts, ch 130, §5