Versions of Iowa Code 148E.4 - Standard of care on LawServer 2024 Iowa Code 148E.4 – Standard of care 2023 Iowa Code 148E.4 – Standard of care 2022 Iowa Code 148E.4 – Standard of care 2020 Iowa Code 148E.4 – Standard of care 2018 Iowa Code 148E.4 – Standard of care 2016 Iowa Code 148E.4 – Standard of care 2014 Iowa Code 148E.4 – Standard of care. 2009 Iowa Code 148E.4 – Standard of care