NSIP is a diagnosis of exclusion, since numerous other inflammatory and fibrotic processes involving the lung may have NSIP-like areas, including hypersensitivity pneumonia, UIP, DAD, LIP, DIP, infectious processes, and aspiration pneumonia, among many others.
White-collar definition, belonging or pertaining to the ranks of office and professional workers whose jobs generally do not involve manual labor or the wearing of a uniform or work clothes. See more.
The terms blue collar and white collar are occupational classifications that distinguish workers who perform manual labor from workers who perform professional jobs. Historically, blue-collar workers wore uniforms, usually blue, and worked in trade occupations. White-collar workers typically wore white, button down shirts. and worked in office settings. Other aspects that distinguish blue-collar and white-collar workers include earnings and education level.