HCPCS Level II modifier that may be used with CPT or HCPCS Level II codes indicating an individualized education program (IEP). When submitting insurance claims, it is required by some Medicaid and state health departments, so check with your state guidelines.
Insurance Encyclopedia
Tmax
The maximum temperature for given day as defined by 12:00 a.m. to 12:00 p.m. See AVERAGE DAILY TEMPERATURE.
Tmin
The minimum temperature for a given day as defined by 12:00 a.m. to 12:00 p.m. See AVERAGE DAILY TEMPERATURE.