Public Health - As enacted, requires a medical laboratory supervisor to be readily available for consultations during all hours when tests are performed; prohibits a medical laboratory supervisor from being required to be on laboratory premises. - Amends TCA Title 68.

HB 466 requires Tennessee medical laboratories to ensure a medical laboratory supervisor is available for consultations during all hours tests are performed. It prohibits labs from mandating that supervisors be physically present on-site at all times. This bill directly affects all medical laboratories operating under Tennessee Code Annotated Title 68. The changes take effect July 1, 2025.