Naics index Naics index description
621999 Blood pressure screening services
621999 Employee drug testing services
621999 Head lice removal services (except by offices of health practitioners)
621999 Health screening services (except by offices of health practitioners)
621999 Hearing testing services (except by offices of audiologists)
621999 Medical care management services
621999 Medical case management services
621999 Pacemaker monitoring services
621999 Physical fitness evaluation services (except by offices of health practitioners)
621999 Smoking cessation programs