Versions of Iowa Code > Chapter 148G - Polysomnography on LawServer 2023 Iowa Code > Chapter 148G – Polysomnography 2022 Iowa Code > Chapter 148G – Polysomnography 2020 Iowa Code > Chapter 148G – Polysomnography 2018 Iowa Code > Chapter 148G – Polysomnography 2016 Iowa Code > Chapter 148G – Polysomnography