Knowledge and skill in performing support duties for complex diagnostic tests and/or specialized practices or procedures, which includes preparing the patient and assisting in the diagnostic examination, preparing, and handling specialized instruments or other specialized equipment, and monitoring the patients condition before, during, and following the procedure. Current GS-0620 LPN/LVN employee of the Veterans Health Administration (VHA) who was converted to an appointment under 38 U.S.C. 7401(3) in implementation of Public Law 98-160, enacted November 21, 1983, or who was converted to an appointment under 38 U.S.C. 7405 in implementation of Public Law 99-576, enacted October 28, 1986.