This industry comprises establishments primarily engaged in providing ambulatory health care services (except offices of physicians, dentists, and other health practitioners; outpatient care centers; medical and diagnostic laboratories; home health care providers; and ambulances). Illustrative Examples: Blood donor stations Pacemaker monitoring services Blood or body organ banks Physical fitness evaluation services (except by offices of health practitioners) Health screening services (except by offices of health practitioners) Smoking cessation programs Hearing testing services (except by offices of audiologists)