Specialist Joey Lenz Act of 2024 This bill requires the Department of Defense (DOD) to ensure that periodic health assessments of members of the Armed Forces include specified elements. DOD must ensure that annual assessments include a sports physical, an electrocardiogram, and specified blood work. Other periodic assessments must include certain testing related to burn pit exposure, perfluoroalkyl and polyfluoroalkyl substances (PFAS) exposure, and other tests or evaluations determined to be appropriate by DOD.