invasive procedure
(in-VAY-siv proh-SEE-jer)
A medical procedure that invades (enters) the body, usually by cutting or puncturing the skin or by inserting instruments into the body.
The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov.
Updates regarding government operating status and resumption of normal operations can be found at opm.gov.