Versions of Iowa Code 148G.2 - Practice of polysomnography on LawServer 2024 Iowa Code 148G.2 – Practice of polysomnography 2023 Iowa Code 148G.2 – Practice of polysomnography 2022 Iowa Code 148G.2 – Practice of polysomnography 2020 Iowa Code 148G.2 – Practice of polysomnography 2018 Iowa Code 148G.2 – Practice of polysomnography 2016 Iowa Code 148G.2 – Practice of polysomnography