Ancillary Services 2 : Supplementary services which may laboratory, radiology, physical therapy, and inhalation therapy that are provided in conjunction with medical or hospital care
US Department of Labor, Hospital eTool: Glossary OSHA, Occupational Safety & Health Administration OSHA, Washington, D.C., USA 2010. https://www.osha.gov/SLTC/etools/hospital/glossary .html, (OSHA/ Hospital - Amer) {616}