Versions of Tennessee Code 63-1-164 - Restrictions and limitations on treating patient with opioids on LawServer 2024 Tennessee Code 63-1-164 – Restrictions and limitations on treating patient with opioids 2021 Tennessee Code 63-1-164 – Restrictions and Limitations on Treating Patient With Opioids. [Effective Until July 1, 2023.] 2020 Tennessee Code 63-1-164 – Restrictions and Limitations on Treating Patient With Opioids. [Effective Until July 1, 2023.] 2019 Tennessee Code 63-1-164 – Restrictions and limitations on treating patient with opioids. [Effective until July 1, 2023.]