however in the sna ancillary refers to basic routine services to support production activities that are required by all enterprises when they are provided inhouse they are called ancillary activities eg cleaning premises running the staff payroll or providing the information technology infrastructure for the enterprise etc health care classes involve final consumption and include all cost components eg emedicine is expected to be included in the resources accounted for emedicine is the use in the health system of digital data transmitted stored and retrieved electronically in support of health care both at the local site and at a distance